A scientist suggests keeping indoor air relatively clean as follows: Provide two or three pots of flowers for every 100 sq ft 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?a.37-56 potsc.28-42 potsb.26-39 potsd.27-36 pots