The speed limit in front of North View School is 20 miles per hour. This is half the speed of Brooklyn Boulevard. What is the speed limit of Brooklyn Boulevard?

40 miles per hour

Step-by-step explanation:

The speed limit in front of North View School is 20 miles per hour.

We are told that this value is half of the speed limit in Brooklyn Boulevard. Hence, the speed limit in Brooklyn Boulevard is 2 times the speed limit in North View School.

Hence, speed limit in Brooklyn Boulevard is:

2 * 20 = 40 miles per hour.

This is the speed limit in Brooklyn Boulevard.

answer: t=3

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