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Savatey [412]
2 years ago
12

a recipe that serves 9 people requires 1 1/3 cups sugar using this recipe how many cups of sugar are needed to serve 15 people?

Mathematics
2 answers:
alexira [117]2 years ago
5 0

Answer:

9

Step-by-step explanation:

zvonat [6]2 years ago
5 0

Answer:

<u>2 2/9 cups of sugar</u>

Step-by-step explanation:

Cups needed to serve 9 people = <u>1 1/3 cups</u>

We can say that the <u>number of people</u> is directly proportional to the <u>number of cups of sugar</u> used.

Hence, taking them in proportion :

⇒ \frac{9}{1+ 1/3} = \frac{15}{x}

⇒ 9x = 15 (1 + 1/3)

⇒ 9x = 15 + 5

⇒ 9x = 20

⇒ x = 20/9

⇒ x = <u>2 2/9 cups of sugar</u>

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