Question

(1) completa cada proporción.

• _3_ =___
5 25

• ___= _12_
40 5

• _50 = 200
19 ___

Answer 1

3/5 = x/25
3x25=5x
75=5x
x=15

x/40 = 12/5
5x=40x12
5x=480
x=96

50/19 = 200/x
50x = 200x19
50x = 3800
x=76