Question

90 is 50% of what number? 180 120 45

Answer 1

50%=0.5

Y x 0.5 = 90

We undo the equation and divide instead of multiply

90 / 0.5 = 180

Double check by changing Y with 180

180 x 0.5 = 90

180 is the answer

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Explanation:

Answer 2

So the right answer is 180

Look at the attached picture

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Good luck on your assignment