need right !
zoe’s living room rug is 3 feet wide and 7 feet long. she will cover the rug with 6-inch square cardboard pieces for a painting project. how many cardboard pieces will zoe need?

answer format: zoe will need pieces of cardboard.

Zoe will need 504 pieces of cardboard.

Step-by-step explanation:

Length of room = 7 feet = inches

Width of room =3 feet = inches

Area of room in square inches

⇒ Length in inches width in inches

⇒

⇒ square inches

Area of each cardboard piece used to cover the rug =6 square inches

So, number of cardboard pieces Joe will need to cover the rug would be

⇒

⇒

⇒

So, Zoe will need 504 pieces of cardboard.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

answer: i wpould go with c

step-by-step explanation: