How many multiples of 7 are there between 200 and 1,200?

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Guest Dec 21, 2017

Guest · Answer 1 · 2017-12-21T03:52:00

N = [L - F] / D + 1, Where N=number of terms, L=Last term, F=First term, D=Common difference.

N =[1,197 - 203] / 7 + 1

N =[ 994 ] / 7 + 1

N = 142 + 1

N = 143