Expression Word Problems

Write and solve expressions using real-world scenarios

Write an unsimplified algebraic expression to represent each scenario. Then solve the expression.

Write an expression to model the number of pages that Jeremy can read in one minute if he can read 1.25 times faster than Robbie and Robbie can read r pages per minute. If Robbie can read 4/5 page per minute, how many pages can Jeremy read in one minute?

Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set.