Simplifying the expression would be 19.76.
Step-by-step explanation:
Distance travelled in 1 hour = 92 km
Time taken to travel 276 km
= 276 / 92
= 3 hours
Hope it will help :)
[[x]] means to round down to the greatest integer less than or equal to x.
16.2 because when you times 9 with 9 you get 81.
After that you divide 81 by 5 and you get 16.2
