Algebra-1

To find out how many nickels and dimes Dennis earned, we can set up a system of equations based on the given information.

Let's assume that the number of nickels is represented by n, and the number of dimes is represented by d.

We are given two pieces of information:

1. Dennis earned a handful of 80 coins in total. This can be represented by the equation:

n + d = 80

2. The total valu...