Hope this helps but I think the answer could be : 157+25m=50+60m
For example 5/10\1/2 you would keep the 5/10 and flip the 1/2 to 2/1 and then multiply 5\10x2/1 to get 10/10 so 1
A. Andre can answer 1.5 facts per second.
135 : 90
b. Noah can answer 1.25 facts per second.
75 : 60
Andre is working faster.