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3 years ago

Ben is 9 years younger than his brother Jeff. in 10 years, the sum of their ages will be 67 how old are they now

Mathematics

1 answer:

Eddi Din [679]3 years ago

8 0

Hey there! I'm happy to help!

Let's represent Ben's age with a B and Jeff's with a J in a few equations below.

B=J-9 (Ben is 9 years younger than Jeff)

B+10+J+10=67 (In 10 years, the sum of their ages will be 67)

We know that B is equal to J-9. So, in the second equation, we can replace B with J-9 to solve for J.

J-9+10+J+10=67

We combine like terms.

2J+11=67

We subtract 11 from both sides.

2J=56

We divide both sides by two.

J=28

And, we know that Ben is nine years younger than Jeff, so this means Ben is 19 years old.

Ben is 19 years old and Jeff is 28.

I hope that this helps! Have a wonderful day! :D

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2 years ago

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<em>(Please refer to the attached image for the table )</em>

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3 years ago

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SOMEONE PLS HELP QUICK WILL GIVE BRAiNLIEST

skad [1K]

Answer:

1. x^2-9x+18

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2 years ago

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svetoff [14.1K]

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3 years ago

Ben is 9 years younger than his brother Jeff. in 10 years, the sum of their ages will be 67 how old are they now​

Ben is 9 years younger than his brother Jeff. in 10 years, the sum of their ages will be 67 how old are they now