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 Algebra 1 question

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over the last three evenings, susan received a total of 97 phone calls at the call center. the first evening, she received 7 more calls than the third evening. the second evening, she received 4 times as many calls as the third evening. how many phone calls did she receive each evening?

 Aug 29, 2023

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 #1
avatar+128731 
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Let the calls on the third evening  = C

Let the calls on the first evening =  C + 7

Let the calls on the second evening  =  4C

 

So

 

(C + 7)  + 4C + C  = 97

 

6C + 7  = 97

 

6C  = 90

 

C  = 15

 

First evening =  C + 7 =  22

Second =   4C  = 60

Third  = C  =  15

 

 

cool cool cool

 Aug 30, 2023

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