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4vir4ik [10]
3 years ago
11

Lisa is 34 years old.two years ago she was twice as old as her brother.How old is her brother now?

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
7 0
Hello there, and thank you for posting your question here on brainly.

Lisa is 34 years old, two years ago, she was twice as old as her brother. How old is her brother now?

Answer in short: 18

Why?

Since it was 2 years ago, you subtract 34 by 2 to get 32. Then, since she is twice as old as her brother, we divide 32 by 2, that answer is 16. That is her brother's age when it was two years ago when she was 32. We have to add back the two years to find out how old he is today. 16 + 2 is 18. He is 18 today.

Hope this helped! ☺♥
faltersainse [42]3 years ago
6 0
Her brother would have been 16, which is half of 32 and now he would be 18 years old
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Hello there!

"Compare the fraction 3/5 to 1/2 and then compare 2/6 to 1/2. Use symbols in your answer"


To make this easier, we will make it so that both fractions in each pair has like bases.

To make 3/5 and 1/2 have a like base, we must make the denominators 10. To do this, we will do the following:

(3*2)/(5*2) = 6/10

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Now we can easily compare and not worry about the denominator

So, let's just look at the numerators. 

Which is greater, 5 or 6? We know 6 is greater, so:

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That means:

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Now, we must do the same for 2/6 and 1/2

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Now we have 2/6 and 3/6

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3/6 > 2/6

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Our answers are:

1. 3/6 > 2/6

2. 1/2 > 2/6


I hope I was able to help you!

~ Fire




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