How do u write this sentence as an inequality? a number c minus 3.4 is less than 14

Iam so stuck. what is the worked out answer for this question?

Nneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

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?