Question

Lauren has dimes and nickels in her purse. The number of dimes is three more than seven times the number of nickels. Let n represent the number of nickels. Write an expression for the number of dimes.

Short answer

The number of dimes is 7n+3.

Step-by-step solution

Step 1. Given Information

Given that Lauren has dimes and nickels in her purse and the number of dimes is three more than seven times the number of nickels.

nrepresents the number of nickels.

An expression for the number of dimes is to be determined.

Step 2. Writing the expression

Given number of nickels are represented by n.

So seven times number of nickels is given by 7n.

Three more than seven times the number of nickels is given by 7n+3.

Therefore the number of dimes is given by the expression 7n+3.