In saudi arabia it takes 20 kursh to equal 1 riyal. a. write the two unit multipliers implied by this relationship. b. use one of the unit multipliers to convert 16,000 kursh to riyals.

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

3x + 4y = 5 x- 3y = -7 solve by substitution