Answer:

Step-by-step explanation:
→ Substitute in the numbers

→ Simplify

D = rt, Distances Equal
72t = 90(t-1)
90 = 18t
90/18 = t = 5hr
second car catch up to the first in 4hrs
<span>By definition, lines are parallel if they have the same gradient (slope). Any horizontal line has a gradient of 0, so it is parallel to any other horizontal line</span>
Answer:60 %
Step-by-step explanation:
<h3>if we set up an proportion,

=

the answer is 60. </h3><h3>100x12=1200</h3><h3>1200 divded by 20 =60</h3>