question on algebra 2 test today

[mtlhead 10+ year member]

haha no shortage or paint or anything. I do not know the answer yet. we just took this test today and everyone i asked didnt know. i can most likely tell you guys tomarrow.
How did you guys get 5 hours? I guessed and went with 10 but now that i think about it it should be less than 10hours.

why the **** would u guess 10

unless the second guy is retarded and the first guy has to make up for his mistakes, that answer is completely illogical...//content.invisioncic.com/y282845/emoticons/veryhappy.gif.fec4fed33b4a1279cf10bdd45a039dae.gif//content.invisioncic.com/y282845/emoticons/santa.gif.e1ec9cf2e0a0dd232ad35aa594a126d0.gif

 

[ndnbolla 10+ year member]

x/8 + x/12 = 1

Solve for x.

4.8 for the non-math wizards.

 

[budahbuddy803 10+ year member]

why the **** would u guess 10
unless the second guy is retarded and the first guy has to make up for his mistakes, that answer is completely illogical...//content.invisioncic.com/y282845/emoticons/veryhappy.gif.fec4fed33b4a1279cf10bdd45a039dae.gif//content.invisioncic.com/y282845/emoticons/santa.gif.e1ec9cf2e0a0dd232ad35aa594a126d0.gif

well i took the average of the two i couldnt think of any way to do it

 

[WantedIsHere]

i took the average and divided by 2.... the simple route...

 

[bizzy07 10+ year member]

i took the average and divided by 2.... the simple route...

Me too

 

[jmanpc 5,000+ posts]

depends on how many trips to home depot it takes.

if it just me, or when you're doing a household project, do you have to take 18 trips to HD or Lowes?

 

[chris96camaro 10+ year member]

I revised my first post, look at it and tell me if it makes sense.

 

[mtlhead 10+ year member]

depends on how many trips to home depot it takes.

if it just me, or when you're doing a household project, do you have to take 18 trips to HD or Lowes?

it also depends on how many mexicans they hired...but of course they couldn't put that into the problem, because SOMEONE would probably call INS and get the publishers in trouble //content.invisioncic.com/y282845/emoticons/crazy.gif.c13912c32de98515d3142759a824dae7.gif

 

[Safe-N-Sound215 10+ year member]

5 hours....
Best i can figure...if the first person did the whole room in 8, they would do half in 4. The other person did the whole room in 12, so half in 6. The average of 4 and 6 is 5.

Quick edit. Thats the same way I did it. I knew it was going to be slighty high by a few percent due to the fact that a was faster then b. But hey we're not the ones taking the test. I don't know how well that reads, but I know what I mean, so that'as all that matters. //content.invisioncic.com/y282845/emoticons/tongue.gif.6130eb82179565f6db8d26d6001dcd24.gif

Edit: 4.8

 

[casper97ta 10+ year member]

well it cant be 10. the first guy can do it in 8 by himself. I look at it this way, person a could paint half the room in 4 hours and person b paints 50% slower which would make the total time 6 hours. I could be way off. someone has to know this.

 

[chris96camaro 10+ year member]

Quick edit. Thats the same way I did it. I knew it was going to be slighty high by a few percent due to the fact that a was faster then b. But hey we're not the ones taking the test. I don't know how well that reads, but I know what I meant, so that'as all that matters. //content.invisioncic.com/y282845/emoticons/tongue.gif.6130eb82179565f6db8d26d6001dcd24.gif

I thought about it more and got something a little different...but i dont know how close to correct it is

 

[LinxuS 10+ year member]

x/8 + x/12 = 1

Solve for x.

4.8 for the non-math wizards.

x2, same answer I got.

think about it like this too..

person A paints at a rate of 1 room per 8 hours

so 1room /8hours

Person B is 1 room per 12 hours, so 1room/12hours

1room/8 hours + 1room/12hrs = 1 room / x hours

1/8 + 1/12 = 1/x

Solve for x.

 

[Safe-N-Sound215 10+ year member]

x/8 + x/12 = 1

Solve for x.

4.8 for the non-math wizards.

Yup. Once I did it on paper that's what I got. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 

[neonrt 10+ year member]

i did it in my head. fairly simple question.

 

[Rattlebrain 10+ year member]

Yup. Once I did it on paper that's what I got. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

X2 once I wrote it down and thought about it.....

Crap Im tired today.. //content.invisioncic.com/y282845/emoticons/banghead.gif.8606515f668c74f6de0281deb475b6fd.gif