Question

Which of the following is the solution to 3/5 = 20/(x+3)?

3/91


-91/3


-3/91


91/3

Answer 1

91/3

Explanation:

Multiply by 5(x+3) and you get ...

3(x +3) = 100

x +3 = 100/3 . . . . . . . . . . divide by 3

x = 100/3 -3 = 91/3 . . . . subtract 3