Problema Solution
The value of 6 nickels is 5 · 6 cents. Likewise the value of x nickels is 5x cents. Write down (on your own paper) what the statements would be for dimes and for quarters. Then solve the following problem. If a coin jar contains (x + 6) nickels,
(6x − 12) dimes and (12x + 9) quarters then express the total value in cents as an algebraic expression.
Answer provided by our tutors
1 nickle = 5 cents
1 dime = 10 cents
1 quarter = 25 cents
The value of x nickels is 5x cents
The value of x dimes is 10x cents
The value of x quarters is 25x cents
5*(x + 6) + 10*(6x - 12) + 25*(12x + 9) = 365x + 135 cents
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