salt costs $0.74 for 737 grams. How much does it cost to use 1 1/2 teaspoons?

1. Convert 1 1/2 teaspoons to grams using the conversion 1 teaspoon = 4.93 grams.
1.5 \text{ teaspoons} \times 4.93 \frac{\text{grams}}{\text{teaspoon}} = 7.395 \text{ grams}

2. Determine the cost per gram of salt.
\frac{0.74}{737} = 0.00100407 \text{ dollars per gram}

3. Calculate the cost for 7.395 grams.
7.395 \text{ grams} \times 0.00100407 \text{ dollars per gram} = 0.007426 \text{ dollars}

4. Approximate to the necessary precision.
The cost is approximately: 0.00361