Akash and Bryston took part in their school’s mini-marathon which started at 8.00a.m. Akash’s average speed was 35m/min faster than Bryston. When Akash completed the mini-marathon in 42 minutes, Bryston had only run 7/8 of the distance.
a) What time did Bryston complete the mini-marathon?
b) Find Akash’s average speed for the mini-marathon in m/min