2 audio cassettes and 3 video cassettes cost` 425 and 3 audio cassettes and 2 videocassettes cost ` 350. What are the prices of anaudio cassette and of a video cassette ? in substitution method and graph
jayGkcvvv:
Video cassettes- Rs 115 & Audio cassettes - 40
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a=audio cassette
b=video cassette
So
2a+3b=425
3a+2b=350
Hope I helped u
Sorry I do no about the graph
b=video cassette
So
2a+3b=425
3a+2b=350
Hope I helped u
Sorry I do no about the graph
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