A merchant on selling rice earns a profit of `10 per bag of basmati rice sold and a loss of `5 per bag of non-basmati rice. (i) He sells 3,000 bags of
basmati rice and 5,000 bags of non-basmati rice in a month. What is his profit or loss in a month? (ii) What is the number of basmati rice bags he must sell to have neither profit nor loss, if the number of bags of non-basmati rice sold is 6,400.
SCERT Class 7 Telangana, Maths Chapter 1 Integers