Answer:
D
Step-by-step explanation:
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Is there a picture or is that it
example: Two polygons are congruent if they are the same size and shape - that is, if their corresponding angles and sides are equal.
15/x = 20/100
15*100 = 20*x
1500 = 20x
1500/20 = 20x/20
75 = x
15/75 = 20/100
the expected number of couples who met online is 75