Question: if the ratio of a to b is 2 to 3 and the ratio of b to c is 1 to 5 , what is the ratio of a to c ?
A) 4 / 15
B) 1 / 3
C) 2 / 15
D) 4 / 5
E) 7 / 6
Correct answer: c
Grade: 6 | Topic: Ratios and proportions | Difficulty: Easy | Standard: 6.RP.A.1