Joel can do 20 math problems in 90 seconds How many seconds would it take him to do 32 problems?



HELP ME ITS SUPER HARD


Answer :

Answer:

Joel can do 20 math problems in 90 seconds

He can do 1 math problem in 90/20 = 4.5 seconds

Now, Joel can do 32 math problems in

4.5×32

= 144 seconds

= 2 minutes 24 seconds

Step-by-step explanation:

Here I used the unitary method to sovle the question