At east high school each of 45 classroms has an average of 22 students. at west school each of the 42 classrooms has an average of 23 students. how many more students are at east school than at west school

Since you derive the answer based on an average, the answer will not be specific but also an average

School 1: 45 classrooms x 22 students

School 2: 42 classrooms x 23 students

School 1 = 990     School 2 = 966

There is a difference of 24

∞ this is your sign

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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