A shopkeeper bought some lunch bags at 25 per bag and vegetable bags at 35 per bag in the ratio of 7:6. He sold them at a profit of 20% and 30%, respectively. He earned a profit of *392 after selling all the bags. Find the number of lunch bags bought.

A shopkeeper bought some lunch bags at 25 per bag and vegetable bags a

1.	A shopkeeper bought some lunch bags at 25 per bag and vegetable bags at 35 per bag in the ratio of 7:6. He sold them at a profit of 20% and 30%, respectively. He earned a profit of *392 after selling all the bags. Find the number of lunch bags bought.
Answer» 28Step-by-step EXPLANATION:from ratio LET the no. of lunch bags be 7x and vegetable bags be 6x;∴ price of luch bags is 7x × 25 and that of vegetable bags is 6x × 35,20% of (7x × 25)=35x30% of (6x × 35)= 63x35x + 63X = 392 [from the question]∴ x=4and lunch bags= 7x= 7×4= 28