If he can read 21 pages in 1 hour he can read 63 in 3 hours
Answer:
nth=a+(n+1)d
Step-by-step explanation:
15%=3
5%=1
5(20)=100
1(20)=20
So, there are 20 students in the class.
B the answer is b because yiu do like add e square 27 +* 9 + x = 8 -/273/73