If (x-24)0.25 = 4, distribute 0.25 within the parenthesis.
0.25x - 6 = 4
0.25x = 10
Divide both sides by 0.25
x = 40
If you travel 300miles in 5h then you travelled 60miles per hour.
Hence in 7h you can travel 7*60=420miles
4% = 0.04
1020 * 0.04 =40.80 ( commission)
450 + 40.80 = $490.80 total pay
