Question

Hello I need help

A farmer wants to fence in a rectangular area that is mile wide by mile long, as shown in the picture.

Which of the following proportions can the farmer use to calculate how many feet of fencing he will need?

No links pls 100 pts

Answer 1

its number four the last one

Explanation:

Answer 2

`((3)/(4) mi)/(x)`=
`(1 mi)/(5,280 ft)`

Explanation:

First find the perimeter of the rectangle to see the total length

2(
`(1)/(8)`)+2(
`(1)/(4)`)

`(3)/(4)`

Then, because you are converting from miles to ft, you can use the ratio of miles/feet to determinte the correct ratio for the perimeter.

The correct ratio is
`(1 mi)/(5,280 ft)`

To set these ratios equal to eachother, first see that one side of the equation has miles as the unit, the other side has miles/feet, so you must divide the perimeter by feet to set the ratios equal to eachother.

Therefore, the correct equation is
`((3)/(4) mi)/(x)`=
`(1 mi)/(5,280 ft)`