Help! The weight of 100 identical samples of a substance is 0.01 pound. What is the weight of 1000 samples?

- anonymous

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- anonymous

0.01/100 = 0.0001 x 1000 = 0.1lb

- anonymous

huhhh??

- anonymous

if 100 samples ---> 0.01 lbs
then 1000 samples ---> x?
cross multiply and solve for x ^_^

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- anonymous

ok..hmm

- anonymous

100x = 1000(0.01)
x = 1000(0.01)/100 ^_^

- anonymous

did you get the way?

- anonymous

do i multiply 0.01 & 10?

- anonymous

100x=0.01. Therefore, x=0.01/100=0.0001
so x * 1000 = 0.1lb

- anonymous

0.01 x 1000 then divide by 100 ^_^

- anonymous

0.1?

- anonymous

excellent!

- anonymous

pounds right?

- anonymous

nvm. got it haha .h/o i got another one

- anonymous

wait it said that was wrong.

- anonymous

it did? are you sure?

- anonymous

yep

- anonymous

The weight of identical samples of a substance is 1 pound.
What is the weight of samples?

- anonymous

I'm sure of my answer

- anonymous

wait... The weight of 1000 identical samples of a substance is 1 pound.
What is the weight of 10 samples?

- anonymous

answer 0.1 pounds???

- anonymous

I'm sure

- anonymous

its 0.01 ..

- anonymous

how come?

- anonymous

1000 x 0.01 = 10
10/100 = 0.1

- anonymous

this is what it says...now this is what i'm dealing with. it explains it sooo confusing...u ready?lol

- anonymous

it says the weight of 1000 samples is one pound. to find the weight of 1 sample we divide 1 by 1000. ---> weight of 1 sample = 1 divided by 1000= 0.0001 The weight of 10 samples is 10 times this amount. weight of 10 samples = 10xweight of one sample ___> 10x0.0001=0.01 pound.

- anonymous

but you wrote that it's 0.01 lb

- anonymous

intially in the question lol

- anonymous

the question was The weight of 1000 identical samples of a substance is 1 pound.
What is the weight of 10 samples?

- anonymous

LOL! see what you wrote in the question >_< you said 0.01 !

- anonymous

ohhhhh my bad! wow.

- anonymous

sorry!

- anonymous

LOL

- anonymous

hahahah

- anonymous

it;s okay :)

- anonymous

the volume of 1000 drops of a liquid is 10 fl. oz. What is the volume of 10 drops?

- anonymous

and im sure thats the question this time LOL

- anonymous

do it the same way I solved the previous question:
if 1000 drops --->10fl
10 drops -----> x?
cross multiply and solve for x ^_^ try

- anonymous

like 1000/10 X 10/x ?

- anonymous

lol no, cross multiply and you'll get:
1000x = 10(10)
x = 100/1000
x = 0.1 ^_^

- anonymous

draw an X between them and you'll get 10(10) = (1000)x

- anonymous

^_^ did you get it?

- anonymous

yeah but im not sure why u divide 100/1000

- anonymous

to solve for x, you have :
1000x = 100 right?
now get x alone and we do that by dividing both sides by 1000
x = 100/1000 :)

- anonymous

is it clearer now? :)

- anonymous

got it!!!

- anonymous

great :)

- anonymous

The weight of 1000 identical samples of a substance is 0.01 pound.
What is the weight of 10,000 samples?
ok i had this...
1000x/ 1000 = 10/1000 x= 0.01 and it said it was wrong.

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