Mathematics: A community is considering raising funds to pay for improvements to the community swimming pool. To measure the level of interest, community leaders survey patrons of the community pool on a Saturday afternoon. Of the 103 patrons surveyed, 87 approve of raising funds to pay for improvements. Which of the following is a true statement regarding the design and results of the survey?

A community is considering raising funds to pay for

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reggiegilbert1995

26.10.2020

$\text{Sammy has a recipe that needs 3/4 teaspoon of salt for every 2 cups of flour.}\\
\text{we nee to find the number of teaspoons of salt needed if Sammy increases}\\
\text{the amount of flour to 5 cups.}\\
\text{so we use the proportion for that.}\\
\\
\text{for 2 cups of flour, the amount of salt needed}=\frac{3}{4} \text{ teaspoons}\\
\\
\text{so for 1 cup of flour, the amount of salt needed}=\frac{(3/4)}{2}=\frac{3}{8} \text{ teaspoons}$

$\text{Therefore for 5 cups of flour, the amount of salt needed}
=\frac{3}{8}\times 5\\
\\
=\frac{15}{8} \text{ teaspoon}$

Hence, Sammy will have to increase the salt to 15/8 teaspoons.

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