Answer:
Yes.
Step-by-step explanation:
Just like normal algebra, you factor our the common factor, in this case, 5.
Thus,
Answer:
I’m not sure, but I think he practiced before them?
each notebook cost 5$ So it equals 20$
4 notebooks is 15$
(1/4) / 22.5 = x/3600
22.5x = 3600/4
22.5x = 900
x = 900/22.5
x = 40 miles per hr