Find y when x=6 and z=8 if y varies jointly as x and z and y=60 when x=3 and z=4 A. Y=6×6×10; 360 B. Y=5×6×8; 240 C. Y=5×6×10; 300 D. Y=5×5×8; 200

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asked Jun 10, 2019 89.7k views

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Sold Out · Answer 1 · 2019-06-16T17:24:48+0000

I think it's B because as y varies jointly as x and z,so if x and z are doubled,the y-value will be multiplied by 4 times.