SOLUTION: Niki has 8 coins worth $1.40. Some of the coins are nickles and some are quarters. How many quarters and nickles does Niki have?
Algebra.Com
Question 387073: Niki has 8 coins worth $1.40. Some of the coins are nickles and some are quarters. How many quarters and nickles does Niki have?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
0.05n + 0.25(8 - n) = 1.40;
0.05n + 2 - 0.25n = 1.40;
-0.2n = -0.6;
n = 3, the number of nickels, and
8 - n = 5, the number of quarters.
RELATED QUESTIONS
John has 73 coins ,all nickles and quarters .if his coins are worth $13.05 ,how many... (answered by richwmiller)
Marlin coin bank has 31 coins consisting of nickles and quarters, worth $6.75. How many... (answered by ikleyn,greenestamps)
A collection of 30 coins worth $5.50 consists of nickles, dimes, and quarters. There are (answered by stanbon!)
larry has 40 coins worth a total of 8.80. some are nickels and the rest are quarters. How (answered by Alan3354)
Luke has $1.65 in his pocket in nickles and quarters. He has 13 coins (nickles and... (answered by Fombitz)
Sarah has 20 coins consisting of nickles and quarters. If the sum is $4.80, how many... (answered by ikleyn)
Joseph has 8 coins for a total of $1.40. Some of the coins are nickels and some are... (answered by tiffany222)
Nicki has 16 coins of nickles and quarters. How many of each coin does she... (answered by josgarithmetic,ikleyn)
Please help me solve: There are 50 dimes in a roll of dimes, 40 nickles in a rold of... (answered by Alan3354,ankor@dixie-net.com)