SOLUTION: bob has 60 coins consisting of quarters and dimes. The coins combined value is $9.45. Find out are many are quarters and how many are dimes.

Question 269813: bob has 60 coins consisting of quarters and dimes. The coins combined value is $9.45. Find out are many are quarters and how many are dimes.
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
(i)
(ii)
step 1 - multiply (i) by -10 to get
(iii)
step 2 - add (ii) and (iii) to get
(Iv)
step 3 - divide by 15 to get

This means

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