Problems:  A. What is 20% of 160? B. 36 is what percent of 90? C. 40 is 80% of what number? 

1. Translate into math: is = “=” of = “*” What = “x” 5% = “5/100”, etc. 
A.
B.
C.


2. Simplify & solve for x: (This may involve solving a linear equation  click here to see how.) 
A. x = (.2)*160, so x = 32 B. 36 = (.9)x, so x = 40 C. 40 = (.8)x, so x = 50 



