Question

please help me guys...

if cost price of type 1 rice rs.15 per kg & the cost price of type 2 rice is rs.15 per kg.if both are mixed in a ratio 2:3 . then the cost price of mixed variety of rice per kg will be​

Answer 1

Answer:

Let the price of the mixed variety be Rs.x per kg

By the rule of ailigation we have

∴

(x−15)=2

(20−x)=3

⇒60−3x=2x−30⇒5x=90⇒x=18.

Answer 2

Answer:

18

Step-by-step explanation:

Let the price of the mixed variety be Rs. x per kg. By the rule of alligation, we have :

Cost of 1 kg of type 1 rice Cost of 1 kg of type 2 rice

∴(20-x)/(x-15) = 2/3

⇒ 60 - 3x = 2x - 30

⇒ x = 18.