In the year 2002,the world population was established at 6 billion people. based on research from the world bank, about 20% lived on less than $1 per day. how much people lived on less than $1 per day?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Who long does it take to drive 150 miles at 45 miles per hour