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Primary 6
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Number and Algebra
P6 maths.
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1
Xavier Sng
(a)
1/12 of tank is filled by tap E alone in one minute.
(b)
In 24 min, tap E fills 2 tanks and tap F fills 3 tanks.
There are 5 × 3 = 15 one third of a tank in 5 full tanks.
Time taken for both taps to fill 1/3 of the tank
= 24 min ÷ 15
= 96 seconds