SOLUTION: THis is simple and I can ge tthe answer but not the formula. Ed has $1.15. He has 43 more pennies than nickels. How many pennies and nickels does he have. THe answer is 12 nickels

Question 339644: THis is simple and I can ge tthe answer but not the formula. Ed has $1.15. He has 43 more pennies than nickels. How many pennies and nickels does he have. THe answer is 12 nickels and 55 pennies but i just randomly guessed. It has to be easier than that
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
"He has 43 more pennies than nickels" ___ p = n + 43

"Ed has $1.15" ___ 5n + p = 115 ___ nickels worth 5 , pennies worth 1

substituting for p ___ 5n + (n + 43) = 115 ___ 6n + 43 = 115 ___ 6n = 72 ___ n = 12

substituting ___ p = (12) + 43 = 55
RELATED QUESTIONS
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of (answered by scott8148)

Carlos has some pennies, nickels, and quarters in his pocket. He has 2 more nickels than... (answered by likaaka)

tony has $1.50 in pennies and nickels. he has 10 more pennies than twice his number of... (answered by Alan3354)

bob has $2.90 in pennies nickels and dimes. he has the same number of pennies and... (answered by lwsshak3)

I need an algebraic method on how to solve this question: A guy has $2.90 in pennies,... (answered by ewatrrr)

Hi I am trying to help my daughter with her math homework and I know the answer to the... (answered by scott8148,Earlsdon)

Mr. Rodriguez has 41 coins. He has 3 more nickels than pennies. How many nickels and... (answered by ikleyn)

Can you please answer this with steps: John has a collection of pennies, nickels, and... (answered by ankor@dixie-net.com)

Mike has $4.52 in dimes nickels and pennies. If he has one more dime than three times the (answered by ewatrrr)