Thursday 26 May 2011

DAY 300

Split 34 into two parts such that 4/7 of one part equals 2/5 of the other.

Answer:

14 and 20.........Let x and y be the two parts:
x + y = 34
4/7 x = 2/5 y
x = 14/20 y
14/20 y + y = 34
14 y + 20 y = 680
34 y = 680
y = 20
It follows that x= 14

Check:
4/7 of 14 = 8
2/5 of 20 = 8

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