Which ratios form a proportion?
a. 4/12, 6/8
b. 16/12, 3/4
c. 3/2, 15/14
d.10/16, 5/8

D. 10/16, 5/8 because 5x2=10 and 8x2=16

the equations are equal to each other so they form a porportion

hello,

as   long as they add up to 180 its correct.

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