Answer :

Final answer:

The true equivalent among the given options is 3 teaspoons (tsp) equal to 1 tablespoon (Tbsp) and approximately 15 milliliters (mL). The other provided equivalents are incorrect and represent different types of measurements or incorrect conversions.

Explanation:

The question 'Which of the following equivalents is true?' involves comparing different units of measurement. The correct equivalent among the provided options is:

  • 3 tsp = 1 Tbsp = 15 mL

Using the reference that 1 teaspoon is approximately 4.93 milliliters, we can calculate that 3 teaspoons would equal approximately 14.79 milliliters, which is commonly rounded to 15 milliliters in recipes and equivalent unit tables. Therefore, the statement 3 tsp = 1 Tbsp = 15 mL is true and represents the correct conversion.

The other provided options are incorrect because:

  • 1 fluid dram (fl dr) is not equal to 4 grams (g). A fluid dram is a unit of volume, and grams are units of mass.
  • 4 fluid ounces (fl oz) is not equal to 10 milliliters (mL). 4 fl oz is approximately equivalent to 118.29 mL.
  • 15 grains (gr) are not equivalent to 100 milligrams (mg). Instead, 15 gr is approximately equal to 972 mg. Grains are a unit of mass used in the avoirdupois system, which is different from the metric system's milligrams.

Learn more about Unit Conversion here:

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