Question

1.Aflati termenul necunoscut x din proportiile:
A)x/4=3/2
B)9/x=3/5
C)7/8=x/16
D)5/6=15/x
E)x/15=4/5

Answer 1

x=4*3/2=12/2=6
x=9*5/3=45/3=15
x=16*7/8=112/8=14
x=15*6/5=90/5=18
x=15*4/5=60/5=12

Answer 2

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