What is 19/20 as a decimal

Missy took the act and was told her standard score (z-score) is –1. frank took the sat and was told his standard score (z-score) is –2. which student has a better chance of getting admitted to college based on their test score?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?