ms.hi

108 is 36% of what number? Write and solve a proportion to solve the problem

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Lilmoney

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108 is 36 of what number.
108 divided by 0.36
= 300

ms.hi

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thanks :)

Lilmoney

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Welcome

mathstudent55

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100% corresponds to the number
36% corresponds to a part which is 108
100% is to x as 36% is to 108
100/x = 36/108
That's the proportion. Now cross multiply and solve for x

ms.hi

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360?

Lilmoney

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Wait what.

ms.hi

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?

mathstudent55

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100/x = 36/108
Cross multiply:
36x = 100(108)
36x = 18,800
x = 300
Which is what Lilmoney got above.

ms.hi

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thanks :

mathstudent55

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You're welcome