5, 10 ,15
divide each by 5
1,2, 3
so the ratios should be 1,2,3
Metal 1 : divide by 150
1,2,4
Metal 2 divide by 130
1,2,3
Metal 3 divide by 310
1,2,3
Metal 4 divide by 140
1,2,3
Metal 1 is not proportional
Choice A
One pound is equivalent to 16 ounces.
Thus, multiply 14 pounds with 16 to get the number of ounces.

14 pounds equals 224 ounces. Let me know if you need any clarifications, thanks!
~ Padoru
x = -3, y = -2
Substitute the values of x and y to the equation xy = k:
k = (-3)(-2)
k = 6