Question

Kill’em Dead Pest Control sets out 1 super roach motel per 10 square feet. In a rectangular studio apartment that is 15 ft by 14 feet wide, about how many super roach motels will be set out?

Answer 1

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First, find the area of the rectangular studio apartment.
Area = length * width

We know that we need 1 super roach motel per 10 square feet

The units of the area of the rectangular studio apartment will be square feet.

If we need 'x' super roach motels, and the area that we calculate is A, then we have to find the ratio, where we solve for 'x'

x/A= 1/10

Plug in the area that you calculated and solve for x