Question

10. Cindy is wrapping a birthday present for her sister. The present is in a 10 points

box that has a length of 10 in, a width of 6 in and a height of 4 in. If the
wrapping paper costs $0.25 per square inch, how much would it cost to
wrap Cindy's present? *

Answer 1

$62

Explanation:

First find the surface area of the box: 2(lw+lh+wh) = 2(60 + 40 +24) = 124(2) = 248

Now create a ratio to find the total cost:

`(0.25)/(1) = (x)/(248)`

Solve for x by cross multiplying -

x=62

Answer 2

$648

First find the surface area, and then multiply that by 12 for the inches, then multiply that by the cost