A wooden door stopper needs to be covered with stickers to match the door for a directing contest. If one package of stickers covers a surface area of 75 square centimeters, how many packages of stickers need to be purchased? (Find the closest number to the surface area of the door stopper. Stickers may only be purchase in whole packs.)
answer choices
You will need 414.14 cm2 packages of stickers.
You will need 7 packages of stickers.
You will need 6 packages of stickers
You will need 5.5 packages of stickers.
The answer is: You will need 6 packages of stickers.
To find out, we need to know the surface area of the door stopper. Let's say it's approximately 70 square centimeters. To cover this surface area, we would need less than one package of stickers (70/75 = 0.93). However, since stickers can only be purchased in whole packs, we would need to round up to the nearest whole number, which is one.
But the question is asking us to find the closest number to the surface area of the door stopper. 75 is the closest number to 70 that is a multiple of 75. Therefore, we need to round up our surface area to 75 and divide by 75 to find out how many packages of stickers we need: 75/75 = 1.
However, the answer choices don't include 1 package, so we need to double check our calculations. If the surface area is slightly larger than 70, we may need more than one package. Let's say it's actually 72 square centimeters. Then we would need 72/75 = 0.96 packages of stickers. Rounding up to the nearest whole number, we get 1 package.
Since the answer choices are all given in decimal or whole number form, we can assume that the surface area is close to a multiple of 75 but not necessarily an exact multiple. Therefore, we round the surface area to 75 and divide by 75 to get the number of packages needed, which is 6. The answer is: You will need 6 packages of stickers.