3. A man wishes to erect a fence along his property by a nearby road. If the fence requires a post every 3 ft,
and the fence is to be 30 feet long, how many posts are needed? Disregard the thickness of the posts.
(Hint: Draw a Picture)

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

good luck on your studies! : )

david edward.