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?

35 hours

Step-by-step explanation:

maths : science

5 : 4

5 + 4 = 9

63/9 = 7

7 x 5 = 35

7 x 4 = 28

35 : 28

-14 is the answer

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step-by-step explanation:

x^(1/6) · x^(1/6) · x^(1/6)   ·x^(1/6) = x^(4/6)   since we add the exponents

4/6 can be simplified to 2/3

the simplified form is x^(2/3)