How can you tell before you divide 425 by 9 that the first digit of the quotient is in the tens place

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?

Write the percent as a fraction or mixed number in simplest form. 0.8%

What are the factors of me - 12m + 20?