3x = 90 + (3/4)x
Clear fractions
12x = 360 + 3x
Subtract 3x from each side
9x = 360
x=40
Plug the answer back into the question and make sure it works.
Chris L.
asked • 07/15/18Thrice a number is greater than 3/4 of the same number by 90. Find the number.
How to find out 3/4 = ?
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