To determine which fish Sasha bought, we need to look at the price per pound of each type of fish and see how many pounds he could buy at the total price of $5.40.
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Salmon:
- Price per pound = $9.60
- Pounds Sasha could buy = $5.40 / $9.60 = 0.5625 lb (not possible, since it's less than 1 lb)
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Whitefish:
- Price per pound = $7.20
- Pounds Sasha could buy = $5.40 / $7.20 = 0.75 lb (not possible, since it's less than 1 lb)
-
Swordfish:
- Price per pound = $8.40
- Pounds Sasha could buy = $5.40 / $8.40 = 0.642857 lb (not possible, since it's less than 1 lb)
-
Haddock:
- Price per pound = $6.90
- Pounds Sasha could buy = $5.40 / $6.90 = 0.782609 lb (not possible, since it's less than 1 lb)
None of the fish could be bought in a quantity that would total $5.40 for at least one pound based on the prices provided. Therefore, if Sasha bought 34 lb of fish for $5.40, this is not possible with the given prices, as even one type of fish exceeds that amount.
To summarize:
- Salmon: Not possible (0.5625 lb)
- Whitefish: Not possible (0.75 lb)
- Swordfish: Not possible (0.642857 lb)
- Haddock: Not possible (0.782609 lb)
Based on the information given, Sasha's total cost at those prices does not align with any quantities that fit into the constraint of purchasing 34 lb of fish for $5.40. Therefore, the premise seems inconsistent.