Answer:
a. 4 pages per minute
b. one forth of a minute or 15 seconds
Step-by-step explanation:
a. divide total pages by minutes 50/12.5
b. divide minutes by pages 12.5/50
2,4,5
if 70% of the orice is 420 then
70x = 100 × 420
70x = 42000
x = 42000/70
x = 600
