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4 votes
Jerome takes a math course and a science course for summer school. For every 5 hours Jerome spends studying math, he studies science for 4 hours. If Jerome spent a total of 63 hours studying last week, then how long did he study math?

1 Answer

4 votes

Answer:

35 hours

Explanation:

maths : science

5 : 4

5 + 4 = 9

63/9 = 7

7 x 5 = 35

7 x 4 = 28

35 : 28

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