Practical Mathematics for Grade 7, Problem ID: 13183

Practical Mathematics K7A shopkeeper has equal stock values (in dollars) of each of two kinds of peas, which ordinarily sell for $2 per kilogram and $3 per kilogram respectively.

Unfortunately her idiot trainee has thoroughly mixed up all the peas.

What is the price she must set for the mixed peas, so that she sells them for the same amount of money as the separated peas?