Question

You have 9 stones that are identical in appearance. One of these stones weighs just a bit more than the other 8. These other 8 stones are exactly the same in weight. Using a balance scale only TWICE, how can you determine exactly which stone is the heavier ??

PLEASE HELP ME

Answer 1

wiegh 3 and 3 ; if they balance choose set not used used

if not balanced, take heavier side

weigh 1 and 1; if balanced choose stone not used; if not balanced, take heavier side

Answer 2

this is without stones and a balance scale
:/

Answer 3

so use stones and a balance scale without using stones and a balance scale ... ok

Answer 4

can u explain it too mee cuz im in 7th grade

Answer 5

Doesn't this "Using a balance scale only TWICE" mean you use a balancing scale (twice) ?

Answer 6

i did explain it to you, regardless of what grade you are in

Answer 7

i dont know

Answer 8

First time you use the scale: