this is my brothers homework, he is 12 years old. im 20 and i cant do it... please could someone help, i feel quite dumb. :S thanks.
Q1: You have to place four A's in a 4 by 4 square with one letter in each row, in each column, and in each of the two main diagnols. How many different arrangements are there?
Q2: Two packages, each shaped like a cuboid, are tied with three loops of string, one in each of the three directions. For package A the three loops have lenghts 40cm, 60cm, 60cm. while for package B the three loops have lenghts 40cm, 60cm, 80cm. Which package has the greater volume?
Any help VERY much appreciated! I havent done maths in about 4years so am totally stuck!
2007-01-20
02:28:58
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4 answers
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