Multiple Choice
Which ratios form a proportion?
A. start fraction 4 over 9 end fraction, start fraction 12 over 25 end fraction
B. start fraction 3 over 7 end fraction, start fraction 18 over 42 end fraction
C. start fraction 5 over 11 end fraction, Start Fraction 20 over 45 End Fraction
D. start fraction 5 over 8 end fraction, The fraction is 15 over 25.