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Item 12 Seven out of every 8 students surveyed owns a bike. The difference between the number of students who own a bike and those who do not is 72. How many students were surveyed?

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so for this equation, I would do 7/8 = 72/x
1 72
- = -
8 x

Cross multiply to get 72 * 8 = 1x
solve for X 576 = x
User Maysi
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