how many multiple of 6 lie between 12and 252
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n = 39
Step-by-step explanation:
multiples of 6 between 12 and 252
first multiple is 18
therefore a = 18
common difference = 6
last multiple is 246
An = a + (n-1)d
246 = 18 + (n - 1) (6)
246 = 18 + 6n - 6
246 = 6n + 12
6n = 246 - 12
6n = 234
n = 234/6
n = 39
therefore there are 39 multiples of 6 in between 12 and 252
Hope you get your answer
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