(x+4.5)2.5=50-4.5× 1.5
2.5x+ 1 1.25=50-6.75
2.5x=32
x= 12.8
A: Xiao Li rides a bike at a speed of 12.8km per hour.
2. solution: it took x hours for the cash truck to travel from place a to place B.
(x+0.5)× 10/0.5=60
20x+ 10=60
20x=50
x=2.5
A: Bus A traveled from place A to place B for 2.5 hours.
This is the solution of an equation. I wish you success!
Happy Chinese New Year of the Ox