Jessica C.

asked • 10/10/14

Write an expression for the combined total dollar amount he earned this month.

Frank works as a tutor for
an hour and as a waiter for
an hour. This month, he worked a combined total of
hours at his two jobs.

Let
be the number of hours Frank worked as a tutor this month. Write an expression for the combined total dollar amount he earned this month.

1 Expert Answer

By:

Christopher R. answered • 10/10/14

Tutor
New to Wyzant

Byron S.

This would give the amount if he worked both jobs separately for t hours. You need separate values of t for each job, though they could be related. For example, if he worked a total of T hours, and t hours as a tutor, then he worked T-t hours as a waiter, which would give:
D = x*t + y*(T-t)
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10/10/14

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