SOLUTION: The ratio of fifth graders to sixth graders in the science club is 2:5. If there are 15 more sixth graders in the club, how many total students are in the science club?

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Question 1079716: The ratio of fifth graders to sixth graders in the science club is 2:5. If there are 15 more sixth graders in the club, how many total students are in the science club?
Answer by josgarithmetic(39628) About Me  (Show Source):
You can put this solution on YOUR website!
x Fifth graders
y sixth graders

system%28x%2Fy=2%2F5%2Cy-x=15%29

-
x%2F%28x%2B15%29=2%2F5

5x=2%28x%2B15%29

5x=2x%2B30

3x=30

highlight%28x=10%29----------fifth-graders

highlight%28y=25%29----------sixth-graders

x%2By=highlight%2835%29---------students