Posted by **Anonymous** on Sunday, October 7, 2012 at 3:19pm.

Anne has 20 coins in her pocket consisting of nickels and dimes only. The total value of the coins is $1.45. How many nickels and how many dimes does she have? (Let x represent the number of nickels and y represent the number of dimes.)

- Algebra -
**Amirah**, Wednesday, April 27, 2016 at 12:42pm
d represents Dimes

n represents Nickles

Total number of coins;

d + n = 20, n = (20-d) ...1

Total value of coins;

10d + 5n = 145 ...2

substitute equation 2 with equation 1 for n,

10d + 5(20-d) = 145,

10d + 100 - 5d =145,

10d -5d = 145 -100, d = 45/5 = 9 dimes

20 - 9 = 11 nickles

## Answer This Question

## Related Questions

- math - When a child breaks open her piggy bank, she finds a total of 76 coins, ...
- algebra - No. 2 alyssa has some coins in her purse consisting of pennies, ...
- Algebra - This is a word problem I am supposed to solve with systems. I am ...
- algebra - Please help....struggling with word problems and please explain how to...
- math - Winborne has 35 coins consisting of dimes and nickels. If the value of ...
- Algebra - Your friend claims that she has a bag of 30 coins containing nickels, ...
- algebra - a bag contains only nickels and dimes. there are exactly 18 coins in ...
- 8th Grade Algebra - I need help with these problems: 1) A vending machine takes ...
- math - Joe has a collection of nickels and dimes that is worth $6.20. If the ...
- math - Joe has a collection of nickels and dimes that is worth $8.55. If the ...

More Related Questions