Question

Wallpaper costs $16 per roll, and border costs $9 per roll. If 12 rolls of wallpaper and 6 rolls of border are needed for one room, find the total cost of the wallpaper and border.

a) $96
b) $120
c) $144
d) $168

Answer 1

The total cost of 12 rolls of wallpaper at $16 per roll and 6 rolls of border at $9 per roll is $246, which is not one of the provided options.

Step-by-step explanation:

The student's question requires calculating the total cost of wallpaper and border, based on their individual costs and the number of rolls needed. The cost of the wallpaper is found by multiplying the number of rolls (12) by the cost per roll ($16), which equals $192. The cost of the border is calculated by multiplying the number of rolls (6) by the cost per roll ($9), which equals $54. To find the total cost, you add the cost of the wallpaper and the cost of the border together: $192 + $54 = $246. Therefore, the correct answer is not listed among the provided options.