Digital PSAT Math Practice Question 45: Answer and Explanation

Question: 45

If Alaina wishes to paint all six faces of a rectangular box that has dimensions in feet of 8 × 4 × 6, how many square feet of paint does she need?

  • A. 124
  • B. 168
  • C. 208
  • D. 256

Correct Answer: C

Explanation:

(C) The box is drawn below:

Add up all of the surface areas of the six faces of the box. Since there are 2 of each face dimension, you can set up your equation as follows:

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