Find the number of all multiple of 3 between 20 and 80
Answers
Answered by
0
Answer:
21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78
Step-by-step explanation:
Use arithmetic progression formula
an=a+(n-1).d
Answered by
0
Step-by-step explanation:
21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78
average =48
Similar questions