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Mathematics 13 Online
OpenStudy (anonymous):

can anyone hep me with translating a word problem into an equation?

OpenStudy (owlfred):

Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!

OpenStudy (anonymous):

yes, why not?

OpenStudy (anonymous):

oh thank you! The 8th grade class has 17 more girls than boys. There are 431 students in all. How many girls are there?

OpenStudy (anonymous):

let x be the number of boys then x + 17 be the number of girls. x+x+17=431 2x=431-17 2x=414 x=207, this is the number of boys but, the question is the number of girls so, use x+17=207+17 is equal to 227. So, there are 227 girls and 207 boys in 8th grade class.

OpenStudy (anonymous):

wow you are awesome! Can you help me with a few more?

OpenStudy (anonymous):

sure.

OpenStudy (anonymous):

Bob has one and a half times as much money as Ramon. Together they have $225. How much money does each have?

OpenStudy (anonymous):

Let x be the money of Ramon and (1/2)x be the money of Bob. x+(1/2)x=$225 (3/2)x=$225 3x=2($225) 3x=$450 x=$150, this is the money of Ramon so, Bob's money will be (1/2 of 150) which is $75. Therefore, Bob has $75 while Ramon has $150.

OpenStudy (anonymous):

thanks so much! one more?

OpenStudy (anonymous):

okay, you are welcome.

OpenStudy (anonymous):

do you have skype account?

OpenStudy (anonymous):

solano collage is 18 years older than contra costa collage. Solano is also two and a half times as old as contra costa how old is each? and no i dont sorry.

OpenStudy (anonymous):

it is okay.

OpenStudy (anonymous):

great. can you help with that problem? ^^^

OpenStudy (anonymous):

okay, wait for a while.

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

Let x be the age of Contra Costa College x+18 and 2 1/2 x is the age of Solano College x+18=2 1/2 x x-2 1/2x=-18 x-(5/2x)=-18 (-3/2)x=-18 x=-18/(-3/2) x=36/3 x=12, this is the age of the Costra Costa then, x+18=the age of Solano x=12 12+18=30, this is the age of Solano Therefore, the age of Contra is 12 years while Solano is 30 years old

OpenStudy (anonymous):

get it?

OpenStudy (anonymous):

yeeeeeaaa thaaanks a ton! :)

OpenStudy (anonymous):

ton?hmmm that is very heavy. hehehehe you are welcome. it is my pleasure to help.

OpenStudy (anonymous):

haha thanks again.

OpenStudy (anonymous):

are you a girl?

OpenStudy (anonymous):

or boy?

OpenStudy (anonymous):

a girl why?

OpenStudy (anonymous):

nothing, just asking.. hmmm, how old are you?

OpenStudy (anonymous):

17

OpenStudy (anonymous):

ah, can we be friends?

OpenStudy (anonymous):

anyone that helps me with math is a friend of mine! :D got to go! BYE

OpenStudy (anonymous):

goodbye..

OpenStudy (anonymous):

HAHAHA

OpenStudy (anonymous):

why are laughing/?

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