SOLUTION: Ken works as a tutor for $9 an hour and as a waiter for $7 an hour. This month he worked a combined total of 88 hours at his two jobs. Let t be the number of hours Ken worked as a

Question 1009582: Ken works as a tutor for $9 an hour and as a waiter for $7 an hour. This month he worked a combined total of 88 hours at his two jobs. Let t be the number of hours Ken worked as a tutor this month. Write an expression for the combined total dollar amount he earned this month.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Let t be the number of hours Ken worked as a tutor this month.
Then he earned 9t dollars for that.
Then 88-t is the number of hours worked as a waiter.
He earned 7(88-t) dollars for that.
Total is 9t + 7(88-t) = 9t + 616 - 7t = 2t + 616 dollars
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