Question

the students of class 9 of a certain public school wanted to give a farewell party to Students of class 10 . they decided to purchase two kinds of sweets , one costs ₹70 per kg amd the other costs ₹ 84 per kg .they estimated that 36 kg of sweets are needed. if the total money spent on sweet is ₹ 2800, find how much sweets of each kind they purchased.

Answer 1

it was so complecated

Answer 2

Hey mate here is your Answer:-

Explanation: let the x kg of sweets are taken of rs 70 per kg and y kg of sweets are taken rs. 84 per kg

So,

x+y=36............1)

and

70x+84 y = 2800

5x+6y =200.........2)

By multiplying 5 in eq. 1) and substract from eq.2)

y=20

So x=16

Therefore 16 kg of rs. 70 per kg sweet and 20 kg of rs.84 per kg sweets (ans)

I HOPE ITS HELPS YOU......