A scientist suggests keeping indoor air relatively clean as follows: provide 2 or 3 pots of flowers for every 100 square feet of floor space under a ceiling of 8 ft. If your classroom has an 8 ft ceiling and measures 35 ft by 40 ft, how many pots should it have?

Question

Mathematics

Shirley Rivers

12 January, 11:02

A scientist suggests keeping indoor air relatively clean as follows: provide 2 or 3 pots of flowers for every 100 square feet of floor space under a ceiling of 8 ft. If your classroom has an 8 ft ceiling and measures 35 ft by 40 ft, how many pots should it have?

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Answers (1)

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Josh Duffy · Answer 1

First we calculate classroom surface:

35*40=1400 square ft

we know that for every 100 square ft 2 or 3 pots can be put

so 1400/100=14

14*2=28

14*3=42

we need 28 or 42 pots