Ateacher has a bag of 100 unit cubes. she gives an equal number of cubes to each of the 7 groups in her class. she gives each group as many cubes as she can. how many unit cubes are left over

How do i do this activity, is appreciated

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?

Solve 3x-18=2y and 5x-6y=6 by elimination show work