SOLUTION: The Krunch Cereal Co. changed the size of its box. The old box was 3 by 8 by 10. The new box is 4 by 8 by 12. Find the percent of change in the volume of the box.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: The Krunch Cereal Co. changed the size of its box. The old box was 3 by 8 by 10. The new box is 4 by 8 by 12. Find the percent of change in the volume of the box.      Log On


   



Question 166606: The Krunch Cereal Co. changed the size of its box. The old box was 3 by 8 by 10. The new box is 4 by 8 by 12. Find the percent of change in the volume of the box.
Answer by nerdybill(7384) About Me  (Show Source):
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The Krunch Cereal Co. changed the size of its box. The old box was 3 by 8 by 10. The new box is 4 by 8 by 12. Find the percent of change in the volume of the box.
.
Old box volume:
3*8*10 = 240
.
New box volume:
4*8*12 = 384
.
Volume change:
384/240 * 100
= 160%