Quantity in 1 = corresponding quantity divided by corresponding score.
The two formulas of the corresponding quantity = unit 1 multiplied by the corresponding fraction can basically solve the simple fraction problem. With this, other problems will be solved. I hope you can learn to use it yourself.
1, 240 divided by a quarter equals 960.
2. 18 divided by one twentieth of three equals 120.
3.( 130+80) divided by three quarters equals 280 yuan.