Louis makes a model of a plane. The wingspan of the model is 50 centimetres.
The wingspan of the real plane is 80 metres.

Work out the scale of the model.
Give your answer in the form 1:n

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

The function models the number of accidents per 50 million miles driven as a function