The 20 Dollar Question.
The hot water tap when it is full-on can fill a bath in 7 minutes.
What fraction of the bath can it fill in 1 minute?
1/7 √
The 40 Dollar Question.
When the cold water tap is full-on it can the fill the bath completely in 5 minutes.
Colin has just had a long hard run and wants to have a cold-water bath.
How long will the cold water tap take to fill 3/5 of the bath for Colin?
Three minutes √
The 60 Dollar Question.
The cold water tap when it is full-on can fill a bath in 5 minutes.
The hot water tap when it is full-on can fill a bath in 7 minutes.
How long will it take both taps to fill the bath when they are both set to full-on.
Give you answer in minutes and seconds.
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