votedcrown42183 votedcrown42183

20-11-2017
Mathematics

contestada

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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benharrigan04 benharrigan04

04-03-2018

Set up a proportion

[tex] \frac{5}{12} [/tex] = [tex]\frac{8}{x} [/tex]

Use cross-multiplication

[tex] \frac{5x}{5} [/tex] = [tex] \frac{96}{5} [/tex]

Simplify

x = 19.2

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