If the problem youre solving as the value of the x and y you can make those linear equations, however u can make them with only the x val
Answer: The expression is 7/2.
200 * 2/15 = the number of students that didn't read any books. This is 26.6, so 40 is not a good estimate 40 students is 20 percent versus 26 being approximately 13 percent.
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72*12 = 2*2*2*2*2*3*3*3 = 2^5*3^3
