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MathematicsMathematics
17 March, 22:36

In a survey, 4 out of 30 students reported that they walk to school. If there are 900 students in the school, how many walk to school?

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  1. 17 March, 23:19
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    Answer: 120 people

    Step-by-step explanation: To do this problem, you want to find common denominators. The lowest common denominator is 900. So to get the denominator to 900 from 30, multiply it by 30. 30 x 30=900. Multiply 4 by 30. 4 x 30=120. Another way to do this is to set up a proportion. It would be 4/30=x/900. Cross multiply and solve for x. 3600=30x. X=120.
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