Problema Solution
A certain number of quarters and three more dimes than quarters are worth $14.30. How many of each are there?
Answer provided by our tutors
1 dime = 10 cents
1 quarter = 25 cents
$14.30 = 1430 cents
Let
d = the number of dimes, d>0, d is integer
q = the number of quarters, q>0, q is integer
d = q + 3
10d + 25q = 1430
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click here to see the system of equations solved for d and q
........
d = 43 dimes
q = 40 quarters
There are 43 dimes and 40 quarters.