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aleksandr82 [10.1K]
4 years ago
11

There are 165 children taking swimming lessons at the pool . If 10 children will be assigned to each instructor, how many instru

ctors need to be hired
Mathematics
1 answer:
olchik [2.2K]4 years ago
8 0
Okay so 165 kids 
10 for 1 instructor 
just divide 165 by 10 ? 
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You would need 15 boards bc 24.6666 divided by 1.75 is 14.09 and I got those decimal numbers from finding the decimal number of the 24 and 3/4 and the 1 and 3/4
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4 years ago
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Bob needs to mix 5 cups of liquid lemonade concentrate with 2.5 cups of water to make lemonade. Bob has 2.5 cups of liquid lemon
Julli [10]

Answer:

3.75 cups

Step-by-step explanation:

Given that :

5 cups of liquid lemonade concentrate is mixed with 2.5 cups of water to make lemonade

5 cups of lemonade = 2.5 cups of water

Ratio :

5 / 2.5

For 2.5 cups of lemonade :

5 / 2.5 = 0.5

Multiply :

5 / 2.5 * 0.5 / 0.5

2.5 / 1.25

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7 0
3 years ago
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Phoenix [80]
Help on what where is the question or pic!??
8 0
3 years ago
NEED HELP
Sladkaya [172]

Answer:

2.60

Step-by-step explanation:

z-score is the difference between the score and mean, divided by the standard deviation.

z = \frac{x - \mu}{\sigma}

z = \frac{91-77.5}{5.2} = \frac{13.5}{5.2} \approx 2.596

So 2.6 is an answer close enough.

5 0
3 years ago
Students at a bake sale sell bags of cookies for $2.35 each and bags of miniature muffins for $1.75 each. While selling their ba
inessss [21]

Answer:

Option C (The expression 2.35c + 1.75m represents the money earned from selling c bags of cookies and m bags of muffins).

Step-by-step explanation:

It is given that a bag of cookies is priced at $2.35 and a bag of muffin is priced at $1.75. It is also given that the student sells c bags of cookies and m bags of muffins. The total revenue earned by the student by selling c bag of cookies = $2.35 * c bags = $2.35c and the total revenue earned by the student by selling m bag of muffins = $1.75 * m bags = $1.75m. Therefore, the total revenue earned by the student by selling both cookies and muffins = 2.35c + 1.75m. This expression (2.35c + 1.75m) represents the money earned from selling c bags of cookies and m bags of muffins. Therefore, C is the correct choice!!!

3 0
3 years ago
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