Question

how many integers are there between 100 and 300 which are exactly deviceble by 7​

Answer 1

Step-by-step explanation:

integers divisible by 7 between 100 and 300 =

105,112..294

an =a +(n-1)d

294=105 +(n-1)7

294-105/7 = n-1

189/7=n-1

27 +1 =n

n = 28