To make 5 dinner rolls, 1/3 cup of flour is used.
1. In order to know how much flour is needed to make 1 dinner roll, you should divide the amount of flour needed to make 5 rolls by the number of rolls:
[tex]\dfrac{1}{3}:5=\dfrac{1}{3}\cdot \dfrac{1}{5} =\dfrac{1}{15}.[/tex]
Answer 1: to make one dinner roll it is needed 1/15 cups of flour.
2. In order to know how much flour is needed to make 3 dozen (3·12=36) dinner rolls, you should multiply the amount of flour needed to make 1 roll by the number of rolls:
[tex]\dfrac{1}{15}\cdot 36=\dfrac{36}{15}=\dfrac{12}{5}.[/tex]
Answer 2: to make 3 dozen dinner rolls it is needed 12/5 cups of flour.
3. In order to know how many rolls can you make with 5 2/3 cups of flour, you should divide the given amount of flour by the amount of flour needed to make 1 roll:
[tex]5\dfrac{2}{3}: \dfrac{1}{3}=\dfrac{17}{3}:\dfrac{1}{3}=\dfrac{17}{3}\cdot \dfrac{3}{1}=17.[/tex]
Answer 3: you can make 17 dinner rolls with 5 2/3 cups of flour.
