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Anna71 [15]
2 years ago
7

At Nathan's birthday there were 16 girls, 10 boys and 9 adults. Find the percentage of: the children that are girls? the childre

n that are boys? all the guests that are adults? all the guests that are girls?
Mathematics
1 answer:
german2 years ago
4 0

Let's find the required ratios first: to get to the relative percentages, we'll simply have to multiply by 100.

Since there are 16 girls, 10 boys and 9 adults, there are

16+10+9 = 35

people in total.

So, the ratio of girls is

\dfrac{16}{35} \approx 0.4571 = 45.71\%

The ratio of boys is

\dfrac{10}{35} \approx 0.2857 = 28.57\%

The ratio of adults is

\dfrac{9}{35} \approx 0.2571 = 25.71\%

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If the fraction cannot be simplified any more, you can multiply both the numerator and denominator by an number.

5/6 (multiply the top and bottom by 2) is the same as 10/12
8/22 (can be simplified by dividing top and bottom by 2) is 4/11
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Hope this helps!
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Justin wanted to wrap his moms birthday present shaped like a rectangular prism with pretty paper. The box is 2.1 feet long, 2.7
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