Which equation results from adding the equations in this system?.

Robbie owns 15 percent more movies than rebecca and rebecca owns ten percent more than joshua rebecca has 220 movies how much do robbie and joshua each have

Has anyone here taken the orela elementary education subtest 2 (103)? if so can you link me videos, practice tests, or methods on what you did to pass it?

Subsidized stafford loans: a. accrue interest while the student is enrolled full-time in school. b. are paid by the government. c. are paid by your parents. d. accrue interest 10 years after graduation.