Respuesta :

irspow
3/4=90/x  multiply both sides by x

3x/4=90  multiply both sides by 4

3x=360  divide both sides by 3

x=120
Hello there.

Answer: 90/3 = 30.
Multiply the 4 by 30
30 x 4 = 120.
90/120 = 3/4

Hope This Helps You!
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