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QUESTION 14

Use multiplication or division to solve the following word problem. Reduce the answer if needed.

The pharmacy has 5-gram vials of medication. How many [tex]$\frac{1}{2}$[/tex]-gram doses are available?

Sagot :

To determine how many [tex]\(\frac{1}{2}\)[/tex] gram doses are available from a 5-gram vial of medication, we can follow these steps:

1. Understand the problem:
- We have a vial that contains a total of 5 grams of medication.
- Each dose of medication is [tex]\(\frac{1}{2}\)[/tex] gram.

2. Identify the mathematical operation needed:
- To find out how many [tex]\(\frac{1}{2}\)[/tex] gram doses are in 5 grams, we need to divide the total grams by the size of each dose.

3. Set up the division:
- The total amount of medication is 5 grams.
- The size of one dose is [tex]\(\frac{1}{2}\)[/tex] gram.

4. Perform the division:
- Divide the total grams by the size of each dose:
[tex]\[ \frac{5\ \text{grams}}{\frac{1}{2}\ \text{gram per dose}} \][/tex]

Dividing by a fraction is the same as multiplying by its reciprocal:
[tex]\[ 5 \div \frac{1}{2} = 5 \times 2 = 10 \][/tex]

5. Conclusion:
- The number of [tex]\(\frac{1}{2}\)[/tex] gram doses available from the 5-gram vial is 10.

Thus, there are 10 doses of [tex]\(\frac{1}{2}\)[/tex] gram each available from the 5-gram vial of medication.