Commercial math focuses on those aspects of mathematics that are used in everyday life. A b 2 a 2 2ab b 2. Avantika your friend goes to a stationary shop to buy a notebook.
X a x bx 2 a bx ab.
The shopkeeper tells her that 12 notebooks will cost Rs 200. A b 3 a 3 b 3 3ab a b. A b a ba 2 b 2. These Comparing Quantities Class 8 formulas are typically useful in finding out the rate of interest tax value cost price selling price and profit and loss on a good or services etc.