Question

I'm very confused
Please help ASAP!!!

Answer 1

Is that all the info?

Answer 2

First case

0.3m = r

0.3m = 18

m = 18/0.3

m = 60 mins.

Second case

0.3m = r

0.3 x 180 = r

r = 54 rows

Third case

0.3m = r

0.3m = 72

m = 240 minutes

Fourth case

0.3m = r

0.3 x 360 = r

r = 108 rows

Hope this helps!