Answer:
3/8
Step-by-step explanation:
1/2 = 4/8
7/8 - 4/8 = 3/8
1/2 times 20 = 20/40
7/8 times 5 = 35/40
(35/40) - (20/40) = 15/40
(15/40)/5 = 3/8 (simplified version)
