sbevebob
sbevebob sbevebob
  • 21-09-2020
  • Mathematics
contestada

Very urgent please help me

Very urgent please help me class=

Respuesta :

meredith48034
meredith48034 meredith48034
  • 21-09-2020

Answer:

Step-by-step explanation:

8r + 9 + 7r + 6 = 90

15r + 15 = 90

15r = 75

r = 5

8(5) + 9 = 40 + 9 = 49

7(5) + 6 = 35 + 6 = 41

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