SOLUTION: What is the answer to: 20 coins consisting of dimes and quarters. Total value is $2.75
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Question 235870: What is the answer to: 20 coins consisting of dimes and quarters. Total value is $2.75
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
let = number of dimes
Let = number of quarters
given:
(1)
(2) (in cents)
----------------------
Multiply both sides of (1) by and
subtract from (2)
(2)
(1)
and, since
There are 5 quarters and 15 dimes
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