Question

A vendor sells calculators at the rate of rs.250 each and earns a commission of 20% on each. He also sells pens at the rate of rs.50 each and earns a commission of 10% on each. How much amount of commission will he earn in three days if he sells 10 calculators and 5 pens a day?

Answer 1

by selling 10 pens he gets Rs:500 and by selling 5 pens he gets Rs.25.
in total he get 525 rupees.