ACTIVITY 3
Problem Solving: Solve the following problem. Identify what is being asked by choosing your answer in the
answer box below
A rectangular box has dimensions 12 in 4 in, and 4 in. If the first two dimensions is decreased and the last
dimension is increased by the same amount, a second box is formed, and its volume is five-eights of the volume of
the first box Determine the dimensions of the second box
1. Dimensions of the first box.
2. Volume of the first box.
3. Volume of the second box.
(Hint: five-eights of the volume of the first box)
4. First dimension of the second box.
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Answer:
1. 12 in x 4 in x 4 in
2. 192 in¹ 3. 120 in
4. (12-x) in
5. (4-x) in
6. (4+ x) in
7. (12 - x)(4 - x) * (4 + x) = 120
8. 10 in x 2 in x 6 in