Question

At a flower show, one trolley arrives every 4 minutes to take people to the rose pavilion. Another trolley arrives every 10 minutes to take people to the exotic flower green house. Both trolley's. Just arrived at the main building. How many minutes from now will be the next time the trollies arrive at the main building

Answer 1

20 minutes Answer:

Explanation:

Edgy

Answer 2

20 minutes

Explanation:

Given

`Pavilion: 4\ minutes`

`Green\ House: 10\ minutes`

Required

Determine the time they both arrive together

To do this, we simply determine the common multiple of both numbers:

Start by listing the multiples of 4;

`4: 4,8,12,16,20,24,28......`

Next, list the multiples of 10

`10: 10, 20, 30,40, 50......`

Their common multiple is: 20

Hence, they'll both arrive at 20 minutes