Question

7 Last term of the arithmetic progression 8, 15, 22,........
is 218. Find the number of
terms.
​

Answer 1

Answer:

find the number of terms. it is 31,the simple technique you can use is minus 1(in this case) from each term and divide by 7(in this case as the difference between 1st and 2nd term is 7, 2nd and 3rd term is 7....) to get no. of terms.

Step-by-step explanation:

mark me as brainliest answer

Answer 2

Answer:

218=8+(n-1) 7

210=(n-1) 7

30=n-1

n=31

hence there are 31 terms in the given A.P