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Y and x have a proportional relationship, and y = 12 when x = 5. What is the value of y when x = 8?

Y and x have a proportional relationship, and y = 12 when x = 5. What is the value of y when x = 8?
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5 votes
Y and x have a proportional relationship, and y = 12 when x = 5. What is the value of y when x = 8?

asked
User Mweber
by
7.8k points

1 Answer

1 vote
Set up a proportion


(5)/(12) =
(8)/(x)

Use cross-multiplication


(5x)/(5) =
(96)/(5)

Simplify

x = 19.2

answered
User Wondering
by
7.8k points
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