Question

math paulina has completed 24 of the 42 math problems she was assigned for homework. she plans to finish her homework by completing 9 math problems each hour. write an equation to find the number of hours it will take paulina to complete her math homework assignment.

Explanation:

Step1: Define remaining problems

Remaining problems: $42 - 24 = 18$

Step2: Relate rate to time

Problems per hour: $9$, so $9h = 18$

Step3: Combine into total equation

Total completed + remaining = total assigned: $9h + 24 = 42$

Answer:

$9h + 24 = 42$