Question
Download Solution PDFIf two mixers and one T.V cost Rs. 700. While two T.V s and one mixer cost Rs. 980. The value of one T.V is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven
2 mixers + 1 TV = Rs. 700
2 TVs + 1 mixer = Rs. 980
Concept:
This problem can be solved using a system of equations.
Solution:
2M + T = 700
2T + M = 980
Add both equations:
2T + M + (2M + T) = 980 + 700 ⇒ T + M = 1680/3 = 560
2T + M = 980
T + T + M = 980
T + 560 = 980
T = 420
Therefore, the value of one TV is Rs. 420.
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