Math, asked by blackspearrow8527, 1 year ago

FIND the sum of all number
between 200 and 55 which are divisible by 9

Answers

Answered by rahul99452

0

a1=63
an=207
207=63+(n-1)9
270=9n-9
279/9=n
31=n
pls mark me as a brainlist

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