Writing and Evaluating Expressions Answers

Salina’s age is one-quarter the age of her aunt. If a represents her aunt’s age, which expression represents Salina’s age?

Fiona doubled the original amount in her savings account, s. Which expression represents her new balance and what is that new balance if ?

Which algebraic expression represents “the sum of a number and 9”?

Which expression has a value of 15 when ?

Joe told Mickey he got an hourly raise at work and his new rate will be $10.25 per hour. Mickey wants to know what Joe’s hourly rate was before his raise. If r represents the amount of the raise, which expression represents Joe’s hourly rate before his raise?

Which scenario could be represented by the algebraic expression ?

Rafael writes an expression to represent “a number, n, decreased by thirty-one.” Then he evaluates that expression if . Which statements are true about the expression and its evaluation? Check all that apply.

Which algebraic expression represents “the difference of 54 and a number”?

Kalinda is 68.7 inches tall and wants to know how many inches taller she is than Terrence. If t represents Terrence’s height in inches, which expression can she use to find the answer?

Which algebraic expression represents “the quotient of 7 and a number”?