SOLUTION: Haveing trouble with this what is 35% of a number if 12 is 15 % of a number How do i do this type of equation, and what is it called?

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: Haveing trouble with this what is 35% of a number if 12 is 15 % of a number How do i do this type of equation, and what is it called?      Log On