Mathematics: Sam started a dog-walking business. He charges $5 for each dog for a thirty-minute walk. How much dor Sam carn per hour walking just one dog? Christie sells lemonade in her driveway. She spends $20 for supplies: lemons, sugar, and cups. With these upplies, she can make enough lemonade to sell 100 cups of lemonade. If she charges a quarter per cup, ow much profit will she make?

68 a 4 hour breakcycled 68 miles total...

Sam started a dog-walking business. He charges $5

gggg5019

27.06.2021

$\$10,\ \$5$

Step-by-step explanation:

(a) Given

Sam charge $5 for each dog for a thirty minute walk

For an hour which is double the thirty minutes, it must be double of the same charge.

$\Rightarrow 2\times 5=\$10$

(b)Given

With $20, Christie sells 100 cups of lemonade with a quarter per cup charge

For 100 cup, she generate a revenue of

$\Rightarrow \dfrac{1}{4}\times 100\\\\\Rightarrow \$25$

So, she earns $25-20=\$5$ that is , her profit is $\$5$

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mendezmarco2004

27.05.2020

a 4 hour break

cycled 68 miles total

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