To determine the jewelry salesman's commission from yesterday's sales, we first need to calculate the total sales he made, and then find 25% of that amount.
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Calculate the total sales from bracelets:
- He sold 5 bracelets for $60 each: \[ 5 \text{ bracelets} \times 60 \text{ dollars/bracelet} = 300 \text{ dollars} \]
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Calculate the total sales from rings:
- He sold 4 rings for $40 each: \[ 4 \text{ rings} \times 40 \text{ dollars/ring} = 160 \text{ dollars} \]
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Add the total sales from both bracelets and rings: \[ 300 \text{ dollars} + 160 \text{ dollars} = 460 \text{ dollars} \]
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Calculate the commission, which is 25% of the total sales: \[ \text{Commission} = 0.25 \times 460 \text{ dollars} = 115 \text{ dollars} \]
Hence, the jewelry salesman earned $115 in commission yesterday.
The answer is 115.