Higher order thinking a rectangular poster has
an area of 504 square centimeters. the width of the
poster is 14 centimeters. how long is the poster?
write equations to show your work.
420

add 8+12 to get a simplified answer of 12r-20

8.75

how-to:

first, we need to find what we have to work with.

since i know that we have 7 (years) and 0.8 (inches), we can use these to solve and find the equation!

secondly, what you want to do, is see that we need to know how much growth out of the 0.8 inches he got in only 1 year, instead of 7 years.

let's try to divide.

7 ÷ 0.8 = 8.75