Sandi buys 2 fewer packages of pencils than p packages of pens. pencils costs $2.45 per package and pens costs $3 per package. what does the expression 3p + 2.45(p − 2) represent? the expression 3p + 2.45(p − 2) represents the a. total cost of pens and pencils b. cost of pens c. number of pens and pencils d. cost of pencils

Two numbers have a sum of -19. one number is x. what expression represents the other number?

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.