Answer:
67 pages in 1 hour
Step-by-step explanation:
A "unit rate" is a rate expressed with "one unit" in the denominator:
(201 pages)/(3 hours) = (201/3) pages/hour = (67 pages)/(1 hour)
Often, the unit of interest is a time unit. Here, it is 1 hour.
I’m trying to help my granddaughter people
x²-9=x²-3²=(x+3)(x-3)
use formula
a²-b²=(a+b)(a-b)
