(06.01)A class has 15 boys and 16 girls. What is the probability that a boy's name is drawn at random?
2 answers:
The answer would be:
-as a fraction:
, since there are a total of 31 kids and 15 boys.
-as a percentage: 48 percent. to find the percentage, you add both numbers (15+16) which is 31. As you can see, the fraction is. now 15 divided by 31 is 0.48. 48%.
-as a ratio: 15:31 the explanation for this is the same as a fraction.
-as a fraction:
-as a percentage: 48 percent. to find the percentage, you add both numbers (15+16) which is 31. As you can see, the fraction is
-as a ratio: 15:31 the explanation for this is the same as a fraction.
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Using a system of equations, it is found that:
- There are 8 chickens in the yard.
- There are 16 pigs in the yard.
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This question is solved using a system of equations. I am going to say that:
- x is the number of chickens.
- y is the number of pigs.
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- A chicken has 1 head, as do a pig.
- There are 24 heads.
Thus:
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- A chicken has 2 feet.
- A pig has 4 feet.
- In total, there are 80 feet.
Thus:
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Number of chicken:
Since
There are 8 chickens in the yard.
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Number of pigs:
There are 16 pigs in the yard.
A similar problem is given at brainly.com/question/24104709