Step-by-step explanation:
1
Um I have no idea what this is but good luck
1 hr = 60 mins
10 hr = ... mins
600 mins + 39 mins = ... mins
639 mins + 24 sec=......mins
91 cm × 24 = ...
IDK what convention factors are tho...
I think it's 7.52 and then 8.52
10/25 = 2/5
Divide by 5 to get simplest form