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08-04-2018
Mathematics

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How many multiples of 7 are there between 100 and 1000.

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08-04-2018

So after 100 its 105,112,119...........994
x=7(multiples of what we're finding), y=105(where we start from after 100), a multiplied by z=994
we have to find z

994=105+(z-1)7
994-105=7z-7
889+7=7z
896=7z
z= 128

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