Question

sonu buys 40 kg of wheat at 12.50 per kg and 30 kg of wheat at 14per kg .at wheat rate per kg should he sell the mixture to gain 5%on the whole. Ans should be ₹13.80​

Answer 1

40×12.50=500

30×14=420

500+420=920

920×( 5÷100)= 46

920+46=966

966÷70=13.8