Imagine that you’re given these information: Mr X has a water tank which has a base 120cm x 75cm and it’s half full. By 1pm, he threw the 1/3 of the water away By 2pm, he threw again 4/7 of the water away By 3pm, he threw the 3/5 of the water away The remaining water in the tank is 36 liters, how tall his water tank is? What we can learn from this question? First, sometimes in life, they […]
