Question

Jerome takes a math course and a science course for summer school. For every 4 hours Jerome spends studying math, he studies science for 3 hours. If Jerome spent a total of 42 hours studying last week, then how long did he study math?

Answer 1

Answer:

24

Step-by-step explanation:

3x+4x =42

7x= 42

x= 6

Math hours:

4x

4(6)

24 hrs

Answer 2

Answer:

24

step by step explanation:

Let 3x and 4x be the time taken by Jerome to study science and maths respectively.

By given,

3x+4x=42

7x=42

x=6

Time spent by Jerome to study maths,

4x

4*6=24

Jerome took 24 hrs to study maths