Question

Joe completed 2 more than 3 times the number of homework questions Calvin completed. Write anexpression to find the number of homework questions Joo has completed. What is the variable in yourexpression, and what does it represent?

Answer 1

2 + 3x

The variable in the above expression is x. It represents the number of homework questions Calvin completed.

Explanation

Let x be the number of homework questions Calvin completed.

Then, 3 times the number of homework questions Calvin completed is equivalent to: 3x

And, 2 more than 3 times the number of homework questions Calvin completed is equivalent to: 2 + 3x. This last expression represents the number of homework questions Joe has completed