Question

If a sprinkler waters 1/15 of a lawn in 1/3 hour, how much time will it take to water the entire lawn?

A. 5 hours
B. 15 hours
C. 18 hours
D. 45 hours

Answer 1

Answer: A. 5 hours

Explanation:

1/15 = 1/3

2/15= 1/3

3/15 =1/3

4/15 =1/3

5/15 =1/3

6/15 =1/3

7/15 =1/3

8/15 =1/3 aka 1/3 x 15 =5 so the correct answer is A

9/15 =1/3

10/15 =1/3

11/15 =1/3

12/15 =1/3

13/15 =1/3

14/15 =1/3

15/15 =1/3

Answer 2

A. 5 hours

Explanation:

1/3 hour =20 minutes

1/15 of a lawn= 20 minutes

1 lawn = 20*15

=300minutea

300÷60= 5 hours