Floramma ― Let us first calculate for 6 kg of fresh fish.
We buy fresh fish for
Rs 15 per kg
We sell dried fish for
Rs 70 per kg
We dry 6 kg fresh fish to get ________ kg dried fish
For 6 kg fresh fish we have to pay
6 ×
__ = Rs 90
We will sell 2 kg dried fish and get
2 ×
__ = Rs __
So if we dry 6 kg fresh fish we will earn
__ −
90 = Rs __
But if we dry 6000 kg we can earn Rs ___ × 1000 in one month!
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Solution
We dry 6 kg fresh fish to get 2 kg dried fish.
For 6 kg fresh fish we have to pay 6 × Rs 15 = Rs 90
We will sell 2 kg dried fish and get 2 × Rs 70 = Rs 140
But if we dry 6000 kg we can earn Rs 50 × 1000 in one month!