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Sliva [168]
3 years ago
11

Suppose that Sahil knows that 45 people with the ages of 18 to 19 voted. With out using a calculator, he quickly says then 135 p

eople with the ages of 30 to 49 voted. Is he correct? How might shail have come up with his answer?
( I have a chart and one thing that is a clue is that the ages 18 to 29 is 10% )
(Ages 30 to 49 is 30%) please help!

I know that he did 45 times 3 to get the 135 because he though since 10% is 45 people he could multiply by 3 & get his answer. Help!!!
Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
3 0
So you are given that 45 people in the age range of 18 to 29 who voted make up 10% of the total voters.

And you also know that 30% of the voters are in the age range of 30-49. And you need to find out how many people aged 30-49 voted.

So 10% of the total make up 45 people.
That means for 30% of the total number people, there would be 45 x 3 people, or 135 people. Because 10% x 3 = 30%

So, great job! :D
Komok [63]3 years ago
3 0

You don't need help !
Your method and your reasoning are correct.

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