Penny 101

Lastest “quarter Penny” auctions

Quarter Penny on eBay:

US $27.65 (7 Bids) End Date: Tuesday May-22-2012 17:22:51 PDT Bid now | Add to watch list

US $49.99 (0 Bid) End Date: Tuesday May-22-2012 17:33:43 PDT Bid now | Add to watch list

US $2.99 (0 Bid) End Date: Tuesday May-22-2012 17:43:15 PDT Bid now | Add to watch list

What is the name of this Flogging Molly song?

Question by Alice Cullen: What is the name of this Flogging Molly song?
these are the lyrics to the beginning.

“I worked on the railroad for two pence a day…”

Best answer:

Answer by Teri
Far away boys

Know better? Leave your own answer in the comments!

Coin Counting Tubes

Coin Counting Tubes

• PM Company Coin Counting Tube
• Sold as 1 Set
• Color(s):Blue, Green, Orange, Red

Simply drop coins into tube until excess spills from slot. Insert wrapper, invert and coins are counted and wrapped in one exact roll. Four color-coded tubes (red, blue, green and orange) for pennies through quarters. (Coin wrappers sold separately.). Coin Sorter Type: Coin Counter; Denomination: Dimes, Nickels, Pennies, Quarters; Coin Capacity: 1 Coin Wrapper-Full per Tube; Sorting Speed: N/A.

List Price: $ 17.02

Price: $ 14.02

Contented Dementia: 24-hour Wraparound Care for Lifelong Well-being

Contented Dementia: 24-hour Wraparound Care for Lifelong Well-being

Dementia is a little understood and currently incurable illness, but much can be done to maximise the quality of life for people with the condition. “Contented Dementia” – by clinical psychologist and bestselling author Oliver James – outlines a groundbreaking and practical method for managing dementia that will allow both sufferer and carer to maintain the highest possible quality of life, throughout every stage of the illness. A person with dementia will experience random and increasingly freq

Price:

US $0.01 (1 Bid) End Date: Wednesday May-23-2012 7:43:42 PDT Bid now | Add to watch list

US $0.01 (1 Bid) End Date: Wednesday May-23-2012 7:44:28 PDT Bid now | Add to watch list

Cost of pennies Chemistry experiment PLEASE HELP?

Question by Jackie: Cost of pennies Chemistry experiment PLEASE HELP?
I have the mass of the copper, the mass of the zinc, the percent of copper, the percent of zinc in both a pre-1982 penny and a post-1982 penny. I also have the information that the cost of zinc should be .33/lb and the cost of copper should be .36/lb. How do I determine the “Cost of each penny (cents)?”

Best answer:

Answer by m w
lbs alloy / penny x (lbs zinc / lb ore) x ($ / lb zinc) +
lbs alloy / penny x (lbs copper / lb ore) x ($ / lb copper) = $ per penny.

right? if a penny weighs…2.5g…and was 95% Cu and 5% Zn prior to 1982.. then…

2.5g metal x (1 lb / 453.54g) x (5 lbs Zn / 100 lbs metal) x (.33 / lb Zn) +
2.5g metal x (1 lb / 453.54g) x (95 lbs Cu / 100 lbs metal) x (.36 / lb Zn) = .0180 / penny.

similarly.. a post ’82 penny…is 97.5% Zn and 2.5% Cu…

2.5g metal x (1 lb / 453.54g) x (97.5 lbs Zn / 100 lbs metal) x (.33 / lb Zn) +
2.5g metal x (1 lb / 453.54g) x (2.5 lbs Cu / 100 lbs metal) x (.36 / lb Zn) = .0076 / penny.

********
can you guess why it was changed? when the price of copper went up, it became too expensive to make pennies. the metal was more than the penny was worth. right? a penny is worth .01….

****************
do you understand the math?

Give your answer to this question below!

Sesame Street – One Penny

Grover and John John count one penny.

Lastest “one Cent” auctions

Most popular one cent eBay auctions:

US $1.88 End Date: Tuesday May-22-2012 7:31:35 PDT Buy It Now for only: US $1.88 Buy it now | Add to watch list

US $17.00 End Date: Tuesday May-22-2012 7:33:22 PDT Buy It Now for only: US $17.00 Buy it now | Add to watch list

Find the following errors (Java)?

Question by rampletero: Find the following errors (Java)?
Find the errors in this if statements

a.

if (1+x > Math.pow(x,Math.sqrt(2))
y = y + x;

(I think the error here is that it’s missing one parenthesis, but I’m not sure)

b.

if (x = 1)
y++;

else if (x=2)
y = y + 2;

(I’m pretty sure that the error is the = sign, but I’m not sure if there’s other error.)

c.

int x = Integer.parseInt(input);

if (x != null)

y = y + x;

(Don’t have a clue here)

d.

language = “English”;
if (country.equals(“Canada”))
if(stateOrProvince.equals(“Quebec”))
language = “French”;
else if(country.equals(“Chiina”))
language = “Chinese”;

(Not sure it is the second if the error)

e.

if ( ! s.equals(“nickels”) || ! s.equals(“pennies”) || ! s.equals(“dimes”) || ! s.equals(“quarters”))
System.out.print(“Input error.”);

(Not sure if it’s the ! operator)

f.

if (input.equalsIgnoreCase(“N”) || “NO”)
return;

(Don’t have a clue here either)

Best answer:

Answer by Timbone
Your answers for a and b are right (b should be using == in the ifs, not = ).

c? Maybe they want you to define input explicitly here?

In d, the “ifs” and “elses” are not lined up well. If you read what it’s saying, it’s going to check if the country is China after it verifies that the country is Canada. In other words, the second if statement should be in brackets to separate things.

e. Looks like a logic problem. You should probably only use one ! and put all the “or” conditions in one big pair of parentheses. Otherwise, the statement is equivalent to:

if ( ! (s.equals(“nickels”) && s.equals(“pennies”) && s.equals(“dimes”)&& s.equals(“quarters”)))
System.out.print(“Input error.”);

which doesn’t really make much sense if you think about what it’s saying. How could a coin be all four of those things? [This is confusing. Might take a second to think about. Start by just thinking about it with two things - it'll help if you've ever used De Morgan's Laws.]

f. Because of the way the parentheses are set up, you are trying to evaluate the String “NO” as if it is a boolean. You should probably replace “NO” with input.equalsIgnoreCase(“NO)

Know better? Leave your own answer in the comments!

Lastest “one Cent” auctions

One Cent on eBay:

US $1.88 End Date: Tuesday May-22-2012 7:31:35 PDT Buy It Now for only: US $1.88 Buy it now | Add to watch list

US $17.00 End Date: Tuesday May-22-2012 7:33:22 PDT Buy It Now for only: US $17.00 Buy it now | Add to watch list

US $0.99 (0 Bid) End Date: Tuesday May-22-2012 7:35:18 PDT Bid now | Add to watch list

US $0.50 (0 Bid) End Date: Tuesday May-22-2012 7:41:13 PDT Bid now | Add to watch list

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