A6th grade math teacher can grade 15 homework assignments in 24 minutes. if he works at the same rate, how long should it take him to grade 36 homework assignments? [type your answer as a decimal number] . needed!

57.6 minutes .

Step-by-step explanation:

Given:  A 6th grade math teacher can grade 15 homework assignments in 24 minutes.

To Find: If he works at the same rate, how long should it take him to grade 36 homework assignments?

Solution:

A teacher can grade 15 homework assignments in minutes = 24

She can grade 1 homework assignments in minutes =

So, she can grade 36 homework assignments in minutes =

                                                                                               =

Thus it take 57.6 minutes to grade 36 homework assignments.

Hence a teacher can grade 36 homework assignments in 57.6 minutes .

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation: