The value of y varies jointly with the values of x and z. When x=4 and z=10 , the value of y is 360 . What is the value of y whe
n x=5 and z=12 ?
A. 153
B. 540
C. 9
D. 450
1 answer:
360=K(4) (10)
360= 40 k
k=360/40
k=9
y=9 x z
When x=5 z=12
y= 10 (5) (12)
y= 600
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