Math, asked by rd831002, 10 months ago

how many terms of AP: 10, 27 by 3, 25/3.... must be taken to give a sum of 76

Answers

Answered by Eshwari1818

1

Step-by-step explanation:

t1=a=10 tn=76

tn=a+(n-1)d

76=10+(n-1)3

76= 10 +3n-3

76=3n +7

76-7=3n

69=3n

n=69÷3

n=23

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