thatmonkeymimi1053 thatmonkeymimi1053
  • 26-05-2022
  • Mathematics
contestada

P+d= 19 9p+ 5.50d= 150 solve the system of equations , step by step

Respuesta :

Siralexstilinski
Siralexstilinski Siralexstilinski
  • 29-05-2022

Answer:

d=6 & p=13

Step-by-step explanation:

1. P+d=19

×9

2. 9p +5.50d=150

×1

9p+9d=171

-

9p +5.50d=150

3.5d=21

d=6

Substituting d=6 in 1.

P+6=19

P=13

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