9 / (4x-2) = 12 / (3x+2)
9 (3x+2) = 12 (4x-2)
27x + 18 = 48x - 24
48x - 27x = 18 + 24
21x = 42
x = 2
answer is C
x = 2
3 terms, a constant of 10
42 minutes is .7hours so the ratio is .7:6 but you would rewrite it as 7:60 so you don’t have the decimal.