The safe way to hail a licensed taxi from your mobile anytime, any place. Invented by a London cabbie. Convenient and easy to use, cab:app has more services than any other app over multi platform; instant hail, pre book, fixed prices, pay by cash or mobile credit card facility.
For all your taxi needs around town or to the airport whether you’re in London or Dublin or across the UK. Get a taxi in minutes or pre-book days in advance.
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They each decide to put a proportion of their change into the charity collection tin.
Sophie decides to donated 10% of her change
Davey decides to 50% of his change.
Gitta decides to donate 40% of her change.
Sophie and Gitta each caluculate the total amount that their friend hasdonated, but they do not agree with eachother regarding the answer. In fact Gitta's answer is exactly twice Sophies answer. It turns out that Sophies calculation is correct and that Gitta has calculated 10% of her change and 40% of Sophies change. Both correctly calculated 50% of Daveys change.
What is the smallest and the largest amount that could have been in Davey's pocket?