SOLUTION: phil has 85 coins in a jar at home. it contains only dimes and quarters. the total amount of money in the jar is $13.45. give the number of dimes in the jar.
Algebra ->
Customizable Word Problem Solvers
-> Coins
-> SOLUTION: phil has 85 coins in a jar at home. it contains only dimes and quarters. the total amount of money in the jar is $13.45. give the number of dimes in the jar.
Log On
Question 899176: phil has 85 coins in a jar at home. it contains only dimes and quarters. the total amount of money in the jar is $13.45. give the number of dimes in the jar. Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! x+y=85,
10*x+25*y=1345
x=85-y
10*(85-y)+25*y=1345
850-10y+25*y=1345
15*y=495
y=33
x=85-y
x=52 y=33