effenger35 effenger35

16-08-2018
Mathematics

contestada

The variable y is directly proportional to the variable x. If y = 10 when x = 6, what is the value of y when x = 15?

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Supernova Supernova

16-08-2018

Create a proportion:

x/y = 6/10

Plug in 15 for x and solve for y.

15/y = 6/10

Cross multiply.

150 = 6y

Divide both sides by 6.

y = 25

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