1250:30=x: 12

The solution is x=500.

Answer:/kloc-you can enter 500 words in 0/2 minutes.

2. Assume that driving for 4 kilometers consumes X liters of fuel.

64:6=4:x

The solution is x=3/8.

Answer: Driving 4 kilometers consumes 3/8 liters of fuel.

You can get x yuan for working 8 hours.

8:2= 14:x

The solution is x=7/2.

A: It takes 7/2 hours to walk 14 km.

54:3=x:8

The solution is x= 144.

Answer: You can get 144 yuan if you work for 8 hours.

4. It takes x hours to walk 14km.