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# A rectangular box that is 7 inches long by 4 inches wide by 3 inches

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Math Expert
Joined: 02 Sep 2009
Posts: 50001
A rectangular box that is 7 inches long by 4 inches wide by 3 inches  [#permalink]

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19 Apr 2017, 01:52
00:00

Difficulty:

5% (low)

Question Stats:

92% (01:00) correct 8% (01:12) wrong based on 27 sessions

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A rectangular box that is 7 inches long by 4 inches wide by 3 inches deep is carefully packed to hold the maximum number of blocks that are 1 inch by 1 inch by 2 inches. How many blocks can be packed into the box?

A. 84 blocks
B. 42 blocks
C. 28 blocks
D. 14 blocks
E. 2 blocks

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Intern
Joined: 15 Sep 2016
Posts: 6
Re: A rectangular box that is 7 inches long by 4 inches wide by 3 inches  [#permalink]

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19 Apr 2017, 09:54
Volume of rectangular box = 7x4x3 cubic inches
Volume of blocks = 1x1x2 cubic inches
Number of blocks = Vol of rectangle box/ Vol of blocks = 7x4x3/1x1x2 = 42 blocks

Re: A rectangular box that is 7 inches long by 4 inches wide by 3 inches &nbs [#permalink] 19 Apr 2017, 09:54
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