Question: in 15 year ’ s time the combined age of my 4 brothers will be 107 . what will it be in 6 year ’ s time ?
A) 65
B) 87
C) 71
D) 60
E) 66
Correct answer: C
Grade: 7 | Topic: Ratios and proportions | Difficulty: Easy | Standard: 7.RP.A.3