danielaguerra18 danielaguerra18

05-03-2019
Mathematics

contestada

Susan, Reuben, and Chris served a total of 99 orders Monday at the school cafeteria. Reuben served 6 fewer orders than Susan. Chris served 3 times as many orders as Susan. How many orders did they each serve?

Respuesta :

quinnxhailey quinnxhailey

05-03-2019

Answer:

Susan: 21

Reuben: 15

Chris: 63

Step-by-step explanation:

Susan: s

Reuben: s - 6

Chris: 3s

s + s - 6 + 3s = 99

5s - 6 = 99

5s = 105

s = 21

21 - 6 = 15

3(21) = 63

63 + 15 + 21 = 99

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