Among the eighth-graders in michael's school, 70% have siblings. the eighth-grade class in 5/6 the size of the seventh-grade class. if 112 eighth-graders have have siblings, how many students are in the seventh grade? a) 128 b) 134 c) 160 d) 192

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.