SOLUTION: A piggy bank contains only quarters and nickels, and there is a total of 60 coins. The total value of the coins is $7.40, so how many coins are there?
Algebra.Com
Question 1150878: A piggy bank contains only quarters and nickels, and there is a total of 60 coins. The total value of the coins is $7.40, so how many coins are there?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let quarters be and nickels
value of the coins is: =$ and =$
given:
there is a total of coins, so
...........eq.1
The total value of the coins is $, so
.......substitute from eq.1
.........solve for
then
...........eq.1
so, there are quarters and nickels
check:
RELATED QUESTIONS
a piggy bank contains only quarters and nickels and there is a total of 60 coins. The... (answered by math-vortex)
A piggy bank contains only quarters and nickels, and there is a total of 60 coins. The... (answered by math-vortex)
A piggy bank contains only quarters and nickels, and there is a total of 60 coins. The... (answered by Fombitz)
A piggy bank contains only 20c and 50c coins. There are 60 coins in total and their... (answered by josgarithmetic)
A child’s piggy bank contains 35 coins and a total of $6.25. The bank contains... (answered by ikleyn)
A piggy bank contains nickels, dimes and quarters. There are three times as many dimes as (answered by richwmiller)
A child's piggy bank contains nickels, dimes, and quarters. There are twice as many... (answered by jorel1380)
My piggy bank contains only nickels, dimes, and quarters, and contains 20 coins worth a... (answered by lynnlo)
A piggy bank contains only quarters and dimes. There are 99 coins with a total value of... (answered by Alan3354)