SOLUTION: Y varies INVERSELY as x. If y = -30 when x = 4, find x when y = -40. A. 8 B. 30 C. 3

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Question 690275: Y varies INVERSELY as x. If y = -30 when x = 4, find x when y = -40.
A. 8
B. 30
C. 3

Found 2 solutions by ReadingBoosters, aliafzal14:
Answer by ReadingBoosters(3246) (Show Source):
You can put this solution on YOUR website!
y =
-30 =
k = -120
...
-40 =
x = 30

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Answer by aliafzal14(13) (Show Source):
You can put this solution on YOUR website!

Y = K/X
Y=-30 , X =4
K = Y*X
K = -30*4
K = -120
..............................................................................
Y = K/X
X = K/ Y
X = -120 /-40
X = 3
.......................................................................