Your store is 130 ft x 60 ft. the security cameras you are planning to purchase each cover 400 sq ft. you want to cover the whole store. how many cameras do you need? (round up.)

Step-by-step explanation:

step 1

Find the total area of the store

step 2

Divide the total area of the store by the area that cover one camera

Round up

20 cameras.

Step-by-step explanation:

We have been given the dimensions of a store as . We are also told that each security camera covers 400 sq ft.

First of all, we will find the area of store by multiplying its dimension as:

To find the number of camera it will need to cover the whole store, we will divide the total area of store by the area covered by each camera.

\

Since we can not purchase 0.5 of a camera, so we will round up our answer.

Therefore, we need 20 cameras to cover the whole store.

x = 3 ± √(5+y)