Question

A fisherman caught 15kg of fish on Monday and 23kg on Tuesday. On Tuesday there were twice as many fish as on Monday, but their average mass was 1/8kg less. How many fish did the fisherman catch on Monday?

Answer 1

Fisherman Caught 28 Fishes on Monday

Step-by-step explanation:

Let say on Monday fishes caught were = F

then on Tuesday Fishes Caught were = 2F

fisherman caught 15kg of fish on Monday

=> Average Weight of Fish on Monday  = 15/F  kg

fisherman caught 23kg of fish on Tuesday

=> Average Weight of Fish on Tuesday   = 23/2F  kg

15/F  - 23/2F  =  1/8

Multiplying both sides by 8F

=> 120  - 92  = F

=> F = 28

Fisherman Caught 28 Fishes on Monday

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