Question

Direct Variation: when you have a job
that pays an hourly wage, the amount you earn varies directly with the number of hours you work. Suppose you earn $7.10/ hour working at the library.

Answer 1

you don't have enough information for this problem

Answer 2

For whatever the time period, multiply $7.10 by the number of hours worked.

Does that help? If not, repost with adequate data.