Question

May some pls help my head hurts

Answer 1

She will take 20 minutes to load 15 trucks

Answer 2

20 minutes

Explanation:

we can solve with an equation

9 : 12 = 15 : x

x = 12 × 15 : 9

x = 180 : 9

x = 20

-------------------------

check

9 : 12 = 15 : 20

3 : 4 = 3 : 4

the answer is good