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please show me the fastest way to solve

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Source: — Problem Solving |

by silvia928 » Mon Jun 02, 2008 10:38 am
THE OA IS (E) [spoiler][/spoiler]
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by DontBeatIt » Mon Jun 02, 2008 6:34 pm
First post here so cut me some slack.

There is 43560 sqft in 1 acre not 3,560!!!

So you calculate how many sq ft (H*L) and divide by the # of sq ft in an acre.

(360*605)=217800/43560=5

The hardest part would be doing the multiplication of 360*605 without a calculator but nothing that cant be done in 1min.

Andrew
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by silvia928 » Mon Jun 02, 2008 7:39 pm
thanks for pointing out that 1acre = 43560 ft ...no wonder i couldn't get the correct answer.
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