Answer
(5 x B) + 4.75 ≤ 26
B is the amount of binders.
Clara forgot to distribute the - sign to- (2b-r) through all the terms the answer would be 6b+3r
Number 10:
All angles in a triangle =180 degrees
so add the first to and subtract that by 180
166 degrees
180-166=14
so x=14 degrees
I think that this is just showing how you can make different percentages by multiplying/dividing by specific numbers.
Answer:
13
Step-by-step explanation:

Hope this helps.