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Amar, Bhavan and Chetan can make a total of 8 dosas in one minutes. They have to make a total of 80 days. Amar started making dosas After some time, Bhavan anc Chetan took over and completedthe job and Amar made atleast 5 doss per minutes, how long did Amar work alone (in minutes)?

Answer»

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Solution :(i) Fram the quations and solve ,
(ii)A or B or C can make `(8)/(3)` dosas in one minute
(iii) LET A alone WORK for x MINUTES , and B and C work fo (20-x) minutes each.
(IV) `(8)/(3)xx x+(20-x)(8)/(3)+(20-x)(8)/(3)=80`


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