It costs a family $324 to buy a 10-ft-by-12-ft rectangular rug. at this rate, what is the approximate cost of a 15-ft-by-18-ft rectangular rug?

The approximate cost of a 15-ft-by-18-ft rectangular rug is $729.

It costs a family $324 to buy a 10-ft-by-12-ft rectangular rug.

Means for square feet, the cost of rug is $324

So, for 15-ft-by-18-ft or square feet of rug, the cost will be =

Therefore, the approximate cost of a 15-ft-by-18-ft rectangular rug is $729.

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

answer is  

c.

36

step-by-step explanation: