Question

$\boxed{\bold{\diamond \: Question }}$

cost of 3 apple ,4 mango and 2 banana is ₹ 18 and cost of 2 apple, 1 mango and 3 banana is ₹ 12. Find cost of 1 apple , 1 mango and 1 banana​

Answer 1

Given :

• cost of 3 apple ,4 mango and 2 banana is ₹ 18

• cost of 2 apple, 1 mango and 3 banana is ₹ 12

To Find :

• cost of 1 apple , 1 mango and 1 banana

Solution :

Let, the apple be a, mango be m and banana be b

cost of 3 apple ,4 mango and 2 banana = ₹ 18

⇒ 3a + 4m + 2b = ₹ 18 _ _ _ ( 1 )

_____________________

cost of 2 apple, 1 mango and 3 banana = ₹ 12

⇒ 2a + 1m + 3b = ₹ 12 _ _ _ _ ( 2 )

___________________________

Add both equation

( 2a + 3a ) + ( 4m + 1m ) + ( 3b + 2b ) = ₹ 12 + ₹ 18

⇒ 5a + 5m + 5b = ₹ 30

⇒ 5 ( a + m + b ) = ₹ 30

⇒ a + m + b = ₹ 30/5

⇒ a + m + b = ₹ 6

★ Cost of 1 apple, 1 mango and 1 banana is ₹6

Learn more,

• https://brainly.in/question/5570271