If y varies jointly with x and z, and y=24 when x=3 and z=2, then the value of x when y=6 and z=0.5 is..?

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2006-08-20 09:22:29 · 4 answers · asked by Lily 2 in Science & Mathematics ➔ Mathematics

y = k x z

24 = k * 3 * 2
24 = 6k
k = 4

6 = 4 * x * .5
6 = 2x
x = 3

ANS : 3

2006-08-20 16:01:15 · answer #1 · answered by Sherman81 6 · 0⤊ 0⤋

y/y` = 24/6 =4
z/z` = 2/0.5 =4
x/x` = 3/x` =4
x` = 3\4

2006-08-20 09:49:20 · answer #2 · answered by Anonymous · 0⤊ 1⤋

y' = y/4 = 24/4 = 6

z' = z/4 = 2/4 = 0.5

so

x' = x/4 = 3/4

2006-08-20 09:32:16 · answer #3 · answered by ___ 4 · 1⤊ 1⤋

it is impossible to know the way you posed the question,
one needs to know more... much more

2006-08-20 09:50:03 · answer #4 · answered by locuaz 7 · 0⤊ 0⤋