Which pair of ratios is proportional?

a.
6/21 and 2/42

b.
25/100 and 50/150

c.
18/24 and 6/12

d.
7/14 and 20/40

75

step-by-step explanation:

you do x-29=46 (the number of cantaloupes sold)

in order to find x, you have to find what minus 29 equals 46, meaning you'd have to add 29 to 46.

29+46=75

if you replace x with 75, the equation looks like:

75-29=46

x=75

i think the answer is d im not sure