Brian works as a tutor for $7 an hour and as a walter for $10 an hour. This month, he worked a combined total of 87 hours at his two jobs. Let t be the number of hours Brian worked as a tutor this month. Write an expression for the combined total dollar amount he earned this month. Total earned (in dollars)

Now let x = amount of dollars he makes per hour as a tutor

Let       y = the amount of dollars he makes as a waiter

Let       t = number of hours he worked as a tutor

Let       T = the total combined hours he worked both jobs in one month

Thus, T-t = the number of hours left he worked as a waiter.    

Therefore, D = the total dollars Brian earned this month in which is:

D = x*t + y*(T-t)  

Step-by-step explanation:

the answer is 1 becuz if it were 1.0 that would rip apart the entire so ya. : )

~potato.

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