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Solve the proportion 11/12 = x/15.

a) x = 11.25
b) x = 13.75
c) x = 10
d) x = 14

User Mrsoltys
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Final answer:

To solve the proportion 11/12 = x/15, cross multiply to get 165 = 12x. Divide both sides by 12 to find x = 13.75, which is the correct answer.

Step-by-step explanation:

To solve the proportion given by 11/12 = x/15, you need to cross multiply to find the value of x. By cross multiplying, we have 11 * 15 = 12 * x. Simplify this to 165 = 12x. Then, divide both sides by 12 to isolate x, so x = 165 / 12. By performing the division, we find that x = 13.75.

In summary, the value of x that solves the proportion 11/12 = x/15 is x = 13.75, making option b) x = 13.75 the correct answer.

User Israel Unterman
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