Question

How did they get this answer? please help!

Answer 1

Answer:

The formula for calculating speed is:

S (speed) = D (distance) *divided by* T (time)

or just simply without labels:

S=D/T

In the problem u'r doing 9/4 (hope i see it correct) represents D, 1/2 represents T, and 4.5 represents S

Hope this helps)

Answer 2

I’m sorry but I wanted to write the same