It took Khalid 90 minutes to complete 40 tasks. Which answer choice is an equivalent rate?

a. 10 tasks 0.9 minutes
b. 10 tasks in 2.25 minutes
c. 10 tasks in 9 minutes
d. 10 tasks in 22.5 minutes

Respuesta :

Answer:

D

Step-by-step explanation:

90/40 is 2.25, so each task takes 2.25 minutes. Therefore, 10 tasks takes 22.5 minutes.