SOLUTION: A parking meter contains dimes and quarters only. There are 4 fewer quarters than dimes. If x represents the number of dimes, write an algebraic expression that represents the tota

Question 898123: A parking meter contains dimes and quarters only. There are 4 fewer quarters than dimes. If x represents the number of dimes, write an algebraic expression that represents the total value of all coins in the meter in cents. Simplify the expression.
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
d for dimes
q for quarters
q=-4+d or q=d-4

Amount of money is dollars, or by substitution for q,
amount of money is

.

You wanted x to represent the count of dimes, so you use this instead and say the amount of money is x-1.
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