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Anit [1.1K]
2 years ago
14

The class president wants to survey the students at the high school about the selection of food offered by the school cafeteria.

The president knows that there are 150 boys and 175 girls in the high school. Which of the following is a representative sample of the high school population?
A
Sample 1: 10 boys and 10 girls

B
Sample 2: 10 boys and 35 girls

C
Sample 3: 6 boys and 7 girls

D
Sample 4: 7 boys and 6 girls
Mathematics
1 answer:
lesantik [10]2 years ago
5 0

Answer:

C . Sample : 6 boy and 7 girls

Step-by-step explanation:

Data :

  Boys = 150

  Girls = 175

So ratio between boys and girls

     175/150  = 1.67

So when boy is 6

   6 ×1.667 = 7

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Let x be the number of base hits Ricky got. With this representation, the number of base hits Pedro got is x + 277. The sum of their number of hits is equal to 2685. The equation that best represent the scenario is,
                                   x + x + 277 = 2685
The value of x is 1204. Therefore, Ricky got 1204 and Pedro got 1481. 
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Step-by-step explanation:

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Read 2 more answers
Rita earns $10 per hour. She puts 5% of her earnings in savings. Write inequality to find how many hours Rita must work to save
Rina8888 [55]

Answer:

Rita must work 50 days  to save at least $25.

Step-by-step explanation:

The amount Rita earns per hour  = $10

The saving percentage =  5%

So, the savings of Rita per hour =  5% of $10

⇒5% of $10  = \frac{5}{100}  \times 10  = 0.5

or Rita saves $0.5 per hour.

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So, let she works at the minimum of k Days.

⇒\textrm{The number of hours she has to work}  = \frac{\textrm{Amount she needs saving}}{\textrm{Amount saved in 1 hour}}

or, k = \frac{25}{0.5}  = 50

The number of hours she has to work  =  50 days

Hence,  Rita must work 50 days  to save at least $25.

3 0
2 years ago
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aleksley [76]

Answer:

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Brainliest please

Step-by-step explanation:

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3 years ago
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