Question

Brandon mows his lawn once every 5 days. Thomas mows his lawn once every 3 days. If they are all mowing the lawn today, in how many days will they be mowing their lawns together again?

A. 3
B. 5
C. 8
D. 15

Answer 1

D. 15

Explanation:

Day Thomas Brandon

1 T B

2

3

4 T

5

6 B

7 T

8

9

10 T

11 B

12

13 T

14

15

16 T B

17

18

19 T

20

21 B

The next time they both mow their lawns on the same day is on day 16, which is 15 days from today.

Answer: D. 15

Answer 2

15 days. Step-by-step explanation: That would be the lowest common multiple of 3 and 5, which is 15.