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.
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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
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