
hi, pls kindly explain why the answer is 90 mins per child.
as my answer is 30 mins per child.
thank you.
hi, pls kindly explain why the answer is 90 mins per child.
as my answer is 30 mins per child.
thank you.
90mins
12 noon to 3.30 p.m. ——- 3.5h
3 (swings) x 3.5 (h) ——- 10.5
10.5/7 = 1.5
1.5h = 90 min
Ans : 90 min.
Thk you.
Don’t mention.