Tuesday, 13 October 2009

DAY 174
Rewrite the equation 1/27 + 1/27 + 1/27 = 1/9, so that only one of the denominators is 27.

Answer:

One soulution: 1/18 + 1/27 + 1/54 = 1/9

Day 175
What whole number divided by a whole number equals 1.818181..............?

Answer:

20/11................Let X = 1.818181 and 100X = 181.818181. Subtracting gives 99X = 180.0000. X = 180/99 = 20/11

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