Mathematics, 12.08.2020 08:01 Jasten

There are 45 eighth graders and 20 seventh graders in a school club. The president of this club wants 40% of the club’s members to be seventh graders. How many more seventh-graders must join the club in order to meet the president’s wishes? (Assume that the number of eighth-graders remains the same.)

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There are 45 eighth graders and 20 seventh graders in a school club. The president of this club want...

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