As a result of an increase in labor productivity of 35 percent, the factory began producing 405 articles a day.
How many articles a day did the factory formerly produce?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1.35x = 405.
x = 405/1.35 = calculate.
There is a bunch of lessons on percentage problems
- Percentage problems
- Percentage word problems (Type 1 problems, Finding the Part)
- Percentage word problems (Type 2 problems, Finding the Rate)
- Percentage word problems (Type 3 problems, Finding the Base)
in this site.