D. Read the sentences. Infer the meaning of the underlined conter Mathematics by using context clues, roots and affixes and synonyms. Write the letter of the correct answer 816. The twins' role as leader and follower are reciprocal. A. opposite B. similar C. irrelevant C 17. 3/6 and 4/9 are dissimilar fractions. A. having the same numerator B. having the same denominator C. having different denominators 18. There is an old 2 - peso coin which is shaped like a decagon. It is a coin with ten sides. A. a polygon with three sides B. a polygon with five sides C. a polygon with ten sides 19. We have to calculate our profit if we want our business to progress. A. to promote B. to find the exact amount by doing mathematical operations C. to save the profit 20. The ratio of boys to girls is 3: 5. B. difference C. product A. proportion​