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 PLEASE ANSWER THIS!!!!!!!!

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Please answer this!!!!!!!!!!!!!!!!!

 

Melissa works as a tutor for $14 an hour and as a waitress for $15 an hour. This month, she worked a combined total of 90 hours at her two jobs.

 

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

 Oct 20, 2015

Best Answer 

 #1
avatar+6252 
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She works 90hr at her two jobs. t is the time she works as a tutor.so 90−t is the time she works as a waitress.Multiplying these hrs by the salaries given you get.Total=14t+15(90−t)=(1350−t)$

.
 Oct 20, 2015

2+0 Answers

 #1
avatar+6252 
+5
Best Answer

She works 90hr at her two jobs. t is the time she works as a tutor.so 90−t is the time she works as a waitress.Multiplying these hrs by the salaries given you get.Total=14t+15(90−t)=(1350−t)$

Rom Oct 20, 2015
 #2
avatar
+5

Let t be the number of hours Melissa worked as a tutor this month, then:

90 - t=number of hours Melissa worked as a waitress, therefore we have:

$14t + $15(90 - t)=expression for the combined total dollar amount she earned this month. 

 Oct 20, 2015

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