Riley, Morgan, and Reggie were making plans for a mural on the side of their local community center, They needed to clean and seal the wall
before painting the mural. Riley agreed to prepare 1/2 of the
area, Morgan agreed to clean and seal 1/3 f the area, and Reggie agreed to finish the work on the
remaining 1/6 of the area,
A few days later, none of them had completed the whole section each had committed to clean and seal.
Riley had completed 1/3 of his part. Morgan had completed 5/6 of her part. Reggic had
completed 2/3 of his part.

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

idk

step-by-step explanation: