Name:_____________________________________Date:_____________Period:__________HOMEWORK 1.2 Homework: Writing Linear Expressions to Model Real World Situations 1. Mateo sends approximately twice as many text messages as his mom each month. His dad sends approximately 500 fewer text messages than Mateo each month. The following expression represents the total number of text messages sent by the family each month: + 2 + ( − 500) a. Write in words what each piece of the expression represents in the story. t: ___________________________________________________________________________ ! ! : ___________________________________________________________________________ ( − 500): __________________________________________________________________ b. If Mateo sends approximately 3,000 texts per month, approximately how many texts does his entire family send each month (assuming he has no other family members)? Directions: For #2 – 3, circle the expression(s) that correctly model the situation. There may be more than one answer. 2. Christina is purchasing one of each of the following for her nieces for Easter: a pack of sidewalk chalk that costs $2.25, a bottle of bubbles that costs $1, and a chocolate bunny that costs $3.50. a. Which of the following expression(s) represent the amount of money Christina will spend if she has n nieces? 6.75 + (2.25 + 1 + 3.5) 6.75 2.25 + + 3.5 6.75 (2.25 + 1 + 3.5) b. If Christina has 5 nieces, how much money will she spend on gifts for Easter? 3. At Six East Shoe Store, a pair of boots is $30 more than a pair of sandals. A pair of sandals costs s dollars each. Emily purchased 2 pairs of boots and 3 pairs of sandals. a. Which of the following expression(s) represent the amount of money Emily spent? 2 + 30 + 3 + 30 + + 30 + + 30 + + 2 + 3( + 30) + 30 + + 30 + + + 5 + 90 5 + 60 b. If a pair of sandals is $15, how much did Emily spend in all?