Question

If x varies inversely as y and x = 48 when y = 4, find y when x = 3. . . A. y = 16. B. y = 12. C. y = −4. D. y = 64

Answer 1

If x varies inversely as y : 
48 · 4 = 3 · y
192 = 3 y
y = 192 : 3 = 64
Answer: D ) y = 64