Need help for a step by step explanation please, very confused

What is this inequality notation? t is less then or equal to 2

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?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.