Question

Which equations could be used to solve the problem?

A balloon, with a final volume of 40 cm3, took 4 min to fill. At what rate was the balloon filled?

Choose exactly two answers that are correct.

A.
40 cm3 = 4 min • r

B. 40cm3/4 min = r


C.
40 cm3 • r = 4 min

D.
r – 4 h = 14 in.

Answer 1

@Vocaloid B is a fraction.

Answer 2

rate = volume of balloon filled/time

Answer 3

So A and D? @Vocaloid

Answer 4

@Vocaloid

Answer 5

not quite, A is one of the answers, but D isn't