Question

A class student council election was held on Monday and 15 of the 20 students decided to vote. On Tuesday, another election was held, but only 16 students were in the class that day. Use the ratio of students who voted in Monday's election to the total number of students in class on Monday to predict the number of students who voted in Tuesday's election.

students

Answer 1

answer is 12

Explanation:

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Answer 2

In this problem you cross multiple. So on Monday 15 out 20 students vote which is 15/20 and the second one is 16 students present and we don’t know how many people voted which is x/16 so we multiple 20 by x and 16 by 15 we get 20x=240 we need to isolate x so we divide 20 on both sides and x=12