Asked by Kanna

Cherese needs to buy some cardboard to build a box 10 inches long, 9 inches wide, and 7 inches high. If she purchases 500 square inches of cardboard, how much will be left over?(1 point)
Responses

54 in.2

426 in.2

446 in.2

406 in.2
Answered by Connexus
The real answer is 54 square inches.
Answered by Sad-girl :)
1. 726m2
2. 54in.2
3. 330 cm2
4. 84cm2
5. You will need 6 packages of stickers

(i'll repost this so more of you lovely people can see it :D)

-Sad-girl :)
Answered by GPT 3.5
426 in.2

To find the total amount of cardboard needed to build the box, calculate the surface area of the box:

2(10*9) + 2(10*7) + 2(9*7) = 180 + 140 + 126 = 446 square inches

Since Cherese purchased 500 square inches of cardboard, the amount left over would be 500 - 446 = 54 square inches.