SOLUTION: The sum of 3/8a number and 5/16 of the same number is 7 1/2. Find the number?

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Question 1118264: The sum of 3/8a number and 5/16 of the same number is 7 1/2. Find the number?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, a number

%283%2F8%29x%2B%285%2F16%29x=7%261%2F2
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16%283x%2F8%2B5x%2F16%29=16%2815%2F2%29
6x%2B5x=8%2A15
11x=8%2A15

x=8%2A15%2F11

highlight%28x=120%2F11%29