13 hours
200 divided by 15 = 13.33333333333333
So since this a long number I have to round.
Answer: 13 hours
Part A:square cross-section
<span>Part B: a Rectangle cross -section</span>
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Okay, well we're gonna find the LCM (least common multiple)
3: 3, 6, 9, 12, 15, 18, 21
7: 7, 14, 21
So...21 days
My answer.. Replace x with -x and compare.