5 7/8−(3 1/2+1 1/4)? (9 1/2−3 7/8)+(4 4/5−1 1/2)
(12 1/3+5 1/3)−(7 4/8−7 1/6)

Simplest form.

How many 3/8s are in 6 plz someone tell me now

Ineed to know how to write question one in mathematical terms

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.