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nirvana33 [79]
3 years ago
9

BRAINLIEST!!PLS HELP!

Mathematics
2 answers:
tangare [24]3 years ago
7 0
Your answer would be 70

10 divided by 3=3.33
3.33 times 21= 70
seraphim [82]3 years ago
4 0
The answer you are looking for is 70.

There are a couple ways to find this. You could...

A. Since the question states "21 units on the first 3 floors" you could multiply 21 and 10 to get 210 (number of units if there were 21 on each floor), then divide it by 3 to find the total number in the building. Dividing by 3 compensates for the 21 units on the first 3 floors. Or...

B. Divide 21 by 3 to find how many units are on each floor (7), then multiply by the number of floors in the building (10). Either way, both ways will give you 70.

I hope this helps!
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