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Mathematics, 20.10.2019 14:30 ciarrap552

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

i think its d. but i'm not sure.

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Which pair of ratios is proportional?
a. 6/21 and 2/42
b. 25/100 and 50/150
c. 18...

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