The median of the set of numbers is 5.
The answer is 3/5 meters per hour
The last pair.
Because 2*4/3*4=8/12
Each year 107.2%increase of budget
first year 500 * 1.072 = 536
second year 536 * 1.072 = 574.592
third year 574.592 * 1.072 = 615.962624
..
..
sixth year 707.854392 * 1.072 = 758.819908
or you can just (1.072)^6 * 500 = 1.517639816659862 * 500 = 758.8199083299308
bingo........
6.9 as a fraction or mixed number
6.9 = 6 9/10
This is also the same as 69/10