Which fraction is equal to 2/3 is it 4/14, 6/9, 5/15

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)