find 2/3 of 1/5??

- anonymous

find 2/3 of 1/5??

- chestercat

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- amistre64

1/5
---- = 1/5 * 3/2 = 3/10
2/3

- anonymous

thank you

- anonymous

why did u change it?

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## More answers

- anonymous

1/5 X 2/3 = 2/15

- anonymous

of means multiply

- anonymous

doen't it?

- anonymous

ok this one 2/5 of 20?

- anonymous

20/1?

- anonymous

8

- anonymous

wow u have 76 medals thats good

- anonymous

20/1 = 20

- anonymous

nooo 2/5 of 20

- anonymous

one fifth of twenty is four, two fifths of twenty is eight

- anonymous

is that 8?

- anonymous

yes but i'm a long way behind amis!!

- anonymous

how did u get 8

- anonymous

2/5 x 20 = 40/5 = 8

- anonymous

ok i understand thanx

- anonymous

welome

- anonymous

can 9/16 be reduced?

- anonymous

no

- anonymous

its annoying sometimes when i click on Post a window comes up and the answer is not posted

- anonymous

(9/10) (7/4) what does parehtheses mean?

- anonymous

it means u multiply the fraction 9/10 by the fraction 7/4. when multiplying fractions u multiply top by top and bottom by bottom
so (9/10) (7/4) = 63/40

- anonymous

k thanx ill have to keep u around ure good lol

- anonymous

hey ca you help me

- anonymous

lol - no prob

- anonymous

jimmyrep can you help me

- anonymous

i'll try beauty - u'll have to be patient though - i'm a slow typist

- anonymous

beauty can u find someone else were in the mddle of something?

- anonymous

im okay i can wait until you guys finish sorry let me know wen u finish

- anonymous

when there is a single 5 you put that on bottom and 1 on top?

- anonymous

5/8 x 5 where would u put 1?

- anonymous

not sure what u mean rose a single 5 is just the number 5 . 1 on top and 5 on bottom is the fraction 1/5 (one fifth)

- anonymous

like 5 x 1/5 where would the 1 go on 5 top or bottom im thinking top

- anonymous

yea is top

- anonymous

thanx

- anonymous

ok: 5/8 X 5 = 5/8 x 5/1 = 25/8

- anonymous

k beauty go ahead we all can do thishelp each other

- anonymous

k beauty go ahead we all can do thishelp each other

- anonymous

yea lol

- anonymous

yes you can write 5 x 1/5 as 5/1 x /1/5 = 5/5 = 1

- anonymous

umm did u guys finish?

- anonymous

yes -i think so

- anonymous

k do i post my question here?

- anonymous

yeah

- anonymous

k

- anonymous

kris algebra class has only 23 computers for the 40 students in class.what is the likelihood that kris will have to share a computer with another student in the class?

- anonymous

are u still there

- anonymous

yes beauty - i'm still thinking -i'm not sure of this but i think the probability is 100 per cent as there are more students than computers are u sure u have the numbers right?

- anonymous

yes im sure

- anonymous

oh - hold on - my heads not working - 34 will share 17 computers and the other 6 will have a computer of their own - so the probability of sharing is 17/23

- anonymous

how did u get that 34 share 17 computer

- anonymous

i did this by thinking of two numbers to fit 2x + y = 40

- anonymous

so the lielihood will be 17/23?

- anonymous

yes -perhaps i haven't explained it very well - its really an algebra problem Have u done any algebra?

- anonymous

not really

- anonymous

right - well without algebra its a metter of guesswork and trial. What u have to think ofis what 2 numbers when added together make 23, and when one of them is X by 2 (that is two sharing a computer) and the other is added make 40.
the only 2 numbers which fit are 17 (sharing) and 6 have a computer on their own
in algebra u let x = no of computer shared and y = no. not shared, so
x + y = 23
2x + y = 40
and there is a way to solve these 2 'equations' to give u the answers
u will learn this in future

- anonymous

so 17 of the computers are shared so probability = 17/23

- anonymous

i have to go now beauty to go to dinner. hope i've helped you.

- anonymous

yes u did thank you very much :)

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