Here's another one! The number a is 190% greater than the number b. The number b is 80% less than 24. What is the value of a? (Key Concept: What's the difference between 190% *of* a number and 190% *greater than* a number?)

Try this one! In the given equation, s and r are constants, and s > 0. If the equation has infinitely many solutions, what is the value of s? Source: College Board SAT Question Bank