It took khalid 90 minutes to complete 40 tasks. which answer choice is an equivalent rate? a) 10 tasks in 0.9 minutes b)10 tasks in 2.25 minutes c)10 tasks in 9 minutes d)10 tasks in 22.5 minutes

D) 10 tasks in 22.5 minutes

Step-by-step explanation:

First you have to divide 90 by 40 which equals 2.25

             90 ÷ 40 = 2.25

             2.25 = 1 task

Then you multiply 2.25 by 10 which equals 22.5

             2.25 × 10 = 22.5

Hope this Helps

point a is the center of this circle.

the ratio of the lengths of (ef/bc) and (ad/ih) is 2: 1.

step-by-step explanation:

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.