SOLUTION: Ben has $3.40 consisting of quarters and dimes. How many coins of each kind does he have if he has 22 coins?
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Question 760998: Ben has $3.40 consisting of quarters and dimes. How many coins of each kind does he have if he has 22 coins?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
10 quarters and 12 dimes =
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9 quarters and 13 dimes =
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8 quarters and 14 dimes =
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He has 8 quarters and 14 dimes
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also, you can say:
Let = number of dimes he has
Let = number of quarters he has
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(1)
(2) ( in cents )
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
and
(1)
(1)
Same answer
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