ANSWER

EXPLANATION
We want to find the value of a for which the binomial, 2a-1 is smaller than the value of the binomial 7-1.2a by 7.
This means that, when we subtract 2a-1 from 7-1.2a, we should get 7.

Expand:

Group similar terms:


Divide both sides by -3.2,


Answer:
25 pages
Step-by-step explanation:
Create a proportion:
=
= 
Cross multiply and solve for x, the number of pages in 75 minutes:
60x = 1500
x = 25
So, he can read 25 pages in 75 minutes at the same rate
Answer:
B. -4
Step-by-step explanation:
-16 + 12 = -4
Answer:
A=(1/2)BxH
10x6=60m