If each dose is ¹/₈ of the vial, then volume of each dose is 2.5 mL.
Further explanation
Order of Operations in Mathematics follow this following rule :
- Parentheses
- Exponents
- Multiplication and Division
- Addition and Subtraction
This rule is known as the PEMDAS method.
In working on a mathematical problem, we first calculate operation that is in parentheses, follow by exponentiation, then multiplication or division, and finally addition or subtraction.
Let us tackle the problem !
Given:
A vial contains 20 mL of medicine
[tex]\texttt{A Vial Volume} = 20 ~ \texttt{mL}[/tex]
If each dose is ¹/₈ of the vial , then
[tex]\texttt{Volume of Each Dose} = \frac{1}{8} \times \texttt{A Vial Volume}[/tex]
[tex]\texttt{Volume of Each Dose} = \frac{1}{8} \times 20 ~ \texttt{mL}[/tex]
[tex]\texttt{Volume of Each Dose} = \frac{1 \times 20}{8} ~ \texttt{mL}[/tex]
[tex]\texttt{Volume of Each Dose} = \frac{20}{8} ~ \texttt{mL}[/tex]
[tex]\texttt{Volume of Each Dose} = \frac{20 \div 4}{8 \div 4} ~ \texttt{mL}[/tex]
[tex]\texttt{Volume of Each Dose} = \frac{5}{2} ~ \texttt{mL}[/tex]
[tex]\texttt{Volume of Each Dose} = \boxed {2.5 ~ \texttt{mL}}[/tex]
Conclusion :
If each dose is 1/8 of the vial , then volume of each dose is 2.5 mL.
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Answer details
Grade: Middle School
Subject: Mathematics
Chapter: Percentage
Keywords: Linear , Equations , 1 , Variable , Line , Gradient , Point , Multiplication , Division , Exponent , PEMDAS , percentange , percent , cookies , chocolate , chip , paper , fourth , pieces
