a=15 d=5 an=200 n=? How many terms are in ap? Question a=15 d=5 an=200 n=? How many terms are in ap? in progress 0 Math Kinsley 1 week 2021-09-09T12:34:13+00:00 2021-09-09T12:34:13+00:00 2 Answers 0 views 0

## Answers ( )

Step-by-step explanation:a= 15

d = 5

tn = 200

tn = a+(n-1)d

200= 15 +( n-1) 5

200-15 = (n-1)5

185=(n-1)5

185/5=n-1

37 = n-1

n = 37+1

n = 38

so there are 38 terms in ap..

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