chilliaaH7angri chilliaaH7angri

14-10-2016
Mathematics

contestada

What is the value of x in the equation 4x + 8y = 40, when y = 0.8?

A) 4.6
B) 8.4
C) 10
D) 12

Respuesta :

edenlandsaw edenlandsaw

14-10-2016

The answer is B) 8.4

Answer Link

14-10-2016

4x+8y= 40

4x+8(0.8) = 40

4x = 40-6.4

x = 33.6/4

x = 8.4

SO, OPTION B IS YOUR ANSWER

Answer Link

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