Who started the problem correctly? The problem form is (-5) - (-1 3/4). Mariah started the problem as (-5) + 1 - 3/4
Shane started the problem as (-5) + 1 + 3/4

Shane started the problem correctly

Step-by-step explanation:

We are given problem (-5) - (-1 3/4).

Mariah started the problem as (-5) + 1 - 3/4

Shane started the problem as (-5) + 1 + 3/4

We need to find who started the problem correctly.

The problem should be started by converting the mixed fraction into improper fraction i,e

Now we will solve bracket by multiplying -1 with term inside the bracket i.e

Let's compare both the procedures now:

Mariah:

Therefore, Mariah did not start the problem correctly.

Shane:

Therefore, Shane started the problem correctly.

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4