Deandra is doing her math homework. Out of 24 problems total, she completed the first 12 problems in 1 hour and the last 12 problems in 3 hours. What is the unit rate for all 24 problems?

6 problems per hour

Step-by-step explanation:

The first hour, she completed 12 problems, but for the last 12 it took her 3 hours.

                        Time Space 1:  1 hour for the first 12.

                         Time Space 2: 3 hours for the last 12.

Since we already know that there are 24 problems total, and 12 plus 12 equals  24; we can add the hours together ( 1 + 3 = 4 )

                            24 problems took 4 hours to complete.

            Divide the 24 problems by the 4 hours to get the basic unit of

                               6 problems per hour which is the answer

i don't even know man. edge inuity be messing with us. i had to ask a question too.

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )