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Maths Puzzle
A fisherman's day is rated as good if he catches 9 fishes, fair if he catches 7 fishes and poor if he catches 5 fishes. The fisherman catches 53 fishes in a week that includes good, fair and poor days. How many good, fair and poor days the fisherman had during the week?
Read Solution (Total 3)
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- Good=9 fish on a days
Fair =7 fish on b days
Poor=5 fish on c days
9a+7b+5c=53
a+b+c=7
a=3, b=3, c=1 - 13 years agoHelpfull: Yes(6) No(0)
- 4 good, 1 fair and 2 poor days the fisherman had during the week.
- 13 years agoHelpfull: Yes(3) No(0)
- 4 good days -> 4*9 = 36
1 fair day -> 1*7 = 7
2 poor days -> 2*5 = 10
Total in 7 days = 53 - 13 years agoHelpfull: Yes(1) No(1)
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