SOLUTION: Andrew has a change jar that contains only dimes and quarters. He has 73 coins which add up to a total of $13.75. How many of each type of coin does he have?
Andrew has
dimes
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Question 1176736: Andrew has a change jar that contains only dimes and quarters. He has 73 coins which add up to a total of $13.75. How many of each type of coin does he have?
Andrew has
dimes?
Andrew has
quarters?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let dimes be and quarters
if he has coins altogether, we have
....eq.1
=$
=$
if he has $, then
.....substitute from eq.1
...both sides multiply by to get rid of decimals
go to eq.1
....eq.1, substitute
Andrew has
dimes
Andrew has
quarters
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