Question

calcule o valor de X nas proporções:
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Answer 1

A) x/15 = 6/9
X.9 = 15.6
9X = 90
X = 10


B) 6/7 = 3X/28
7.3X = 6.28
21X = 168
X = 8


Espero ter ajudado

Answer 2

Resolução!

A ) 10

x/15 = 6/9

9x = 6 × 15

9x = 90

X = 90/9

X = 10

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

B ) 8

6/7 = 3x/28

3x ( 7 ) = 6 × 28

21x = 168

X = 168/21

X = 8

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