Question

Determine o valor de x em cada caso:
a) x/4 =5/10
b)x/4=7/14
c)2x/4=7/14

Answer 1

Resolução!



A )


x/4 = 5/10


10x = 4 * 5


X = 20/10


X = 2

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B )


x/4 = 7/14


14x = 4 * 7


X = 28/14


X = 2

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C )


2x/4 = 7/14


28x = 4 * 7


X = 28/28


X = 1