eTwinning project

Résolution de 4 exercices écrits par les Liffréens (2006-2007)

The taxi
Mélanie and Kévin are Paris to visit the Eiffel Tower. They buy a croissant and then they take a taxi to go to see the Eiffel Tower. It costs them 80 euros to go to the Eiffel Tower. The driver says : « It is 7 euros for 3 kilometres ». How many kilometres did they travel to go to Eiffel Tower ?

The cycling competition
Mark takes part in 30 kilometres cycling competition in Brittany. After one lap in the Broceliande forest, which is located in the south-west of Rennes and has a surface area of 8000 hectares, Mark said he did 4/5 of kilometres. How many laps are needed to do 15 kilometres ?

The lanes of Mount St Michel
Mr Dupont lives in Paris, he decides to go on holidays to the mount St Michel to enjoy the sea. When he arrives, he sleeps in there motel and pays 130 euros for one night. The next morning he decides to visit the lanes of Mount St Michel. For the night he decides to go to other hotel where he pays 1/9 less than for his first night. Then he visits St Malo for 4 hours. Finally he sleeps another hotel where he pays 17% less than for his second night. How much does he pay for his three nights ?

The glass
Last night, my stemmed glass was empty. I had forgotten it on the table outside, it's rained all night long. I'm waking up and I saw that my glass is nearly full. How many centilitres of water fell during the night. To know the glass is conic and its radius is 3,75 cm and it measures 5,25 cm ?