Sunday, 3 March 2013

Algebra 3*3 puzzle (Yu Hin)


Let clock be C
Let drum be D
Let present be P
3C = 12
C = 4
2P + C = 44
2P = 40
P = 20
2D + C = 20
2D = 16
D = 8

Clock = 4
Present = 20
Drum = 8