SOLUTION: The cost of 3 plates and 4 glasses is Rs 39, and the cost of 4 glasses and 2 plates is Rs 34. What is the cost of 1 glass and 1 plate?

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Question 818291: The cost of 3 plates and 4 glasses is Rs 39, and the cost of 4 glasses and 2 plates is Rs 34. What is the cost of 1 glass and 1 plate?

Found 2 solutions by TimothyLamb, Hanifah:
Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website!
3p + 4g = 39
2p + 4g = 34
4g = 34 - 2p
g = (34 - 2p)/4
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3p + 4g = 39
3p + 34 - 2p = 39
p = 39 - 34
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p = 5
g = 6
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Answer by Hanifah(3) (Show Source):
You can put this solution on YOUR website!
Plates(x) glasses(y)
3x + 4y = 39
2x + 4y = 34
_____________-
x = Rs 5
y -> 2(5) + 4y = 34
10 + 4y = 34
4y = 24
y = Rs 6