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Mathematics 14 Online
OpenStudy (anonymous):

three brothers have ages that are consecutive even integers. the product of the first and third boys' ages is 20 more than twice the second boy's age. find the age of each of the three boys.

OpenStudy (mertsj):

How do you represent the three consecutive even integers?

OpenStudy (mertsj):

Are you there?

OpenStudy (anonymous):

i have no idea:(

OpenStudy (mertsj):

Didn't you even try to understand the last problem I did for you?

OpenStudy (mertsj):

No. Animal. Stop

OpenStudy (anonymous):

yea but this one is kinda confusing tho

OpenStudy (mertsj):

It is not. It's the same thing. It calls for 3 consecutive even integers. How do you represent them? Look at the last problem I did for you.

OpenStudy (anonymous):

iight

OpenStudy (mertsj):

If x is the first integer, what is the next even integer?

OpenStudy (anonymous):

x+2 x+4

OpenStudy (mertsj):

Yes. the integers are x x+2 and x+4

OpenStudy (mertsj):

The problem says to multiply the first and third integers so what would that be?

OpenStudy (anonymous):

so: x(x+4)=2(x+2)+20?

OpenStudy (mertsj):

Exactly. Very good. Why were you trying to get me to do this problem for you when you can do it perfectly well yourself?

OpenStudy (anonymous):

i was not sure that i was doing it right

OpenStudy (mertsj):

now use the distributive property, get it equal to 0 and factor it and solve it.

OpenStudy (anonymous):

got it: the first boy : 4 second boy: 6 third boy: 8

OpenStudy (mertsj):

Perfect!! Good for you.

OpenStudy (anonymous):

thnx^.^

OpenStudy (mertsj):

yw

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