Question

a man purchased 30 kg of rice at the rate of 20 Rs / kg and 40 kg rice at the rate of 10 Rs /kg. he mixed the two. at what rate per kg he should sell the mixture to make 40% profit? ​

Answer 1

Step-by-step explanation:

Man purchase 30 kg rice at the rate of 20 Rs/kg and 40 kg rice at 10 Rs/kg

Now

30*20 + 40*10 = (20+30)X (140/100)

600+400=50x*1.4

1000=50*1.4 (x)

X=14.28 Rs..

He should sell at 3.5kg/Rs. To get 40% profit

Answer 2

Answer:

30✖️20=600 ,40✖️10=400 ,600+400=1000 ,1000✖️140/100=1400,1400-1000=400