jjayda0621
jjayda0621 jjayda0621
  • 22-11-2021
  • Mathematics
contestada

Solve each proportion 3 = 72 – 7​

Solve each proportion 3 72 7 class=
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crimsonorchid
crimsonorchid crimsonorchid
  • 22-11-2021
1. 504=3x
x=168

2. 64=20m
m=3.2
Answer Link
Аноним Аноним
  • 02-12-2021

1. 3/7 = 72/x

By cross multiplication we get :

➟ 3x = 72 × 7

➟ x = 72 × 7/3

➟ x = 24 × 7

➟ x = 168

2. m/8 = 8/20

By cross multiplication we get :

➟ 20m = 8 × 8

➟ 20m = 64

➟ m = 64/20

➟ m = 16/5

Answer Link

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