How do you get this answer ?

you have already read 117 pages of a book. you are one third of the way through the book. write and solve an equation to find the number of pages in the book.

i know the answer is 1/3b
but how

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

What are the exclude value of mn+3m