SOLUTION: Jill has $2.30 in dimes and quarters. There are 5 less dimes than quarters. How many dimes does she have?

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Question 24336: Jill has $2.30 in dimes and quarters. There are 5 less dimes than quarters. How many dimes does she have?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
d = number of dimes
d + 5 = number of quarters
d(.10) + [(d + 5) * (.25)] = 2.30
.1d + .25d + 1.25 = 2.30
.35d = 1.05
d = 3
d + 5 = 8
she has 3 dimes