1. Each week, Abigail earns $75 for every shift she works at the pizzeria and $25 for every dog-walking job. She uses the expression 75x + 25y to keep track of her earnings. Part A: Identify the coefficients and variables in the expression.  Part B: How many terms are in the expression, what are they, and how do you know?  Part C: Which term in the expression shows the total earned from the pizzeria?

Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter2: Equations, Inequalities, And Problem Solving
Section2.CM: Cumulative Review Problem Set
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These word problems are always confusing the heck out of me. Can someone please help me solve them? It's only these three word problems. Each word problem has three parts to it. Please and thank you!

1. Each week, Abigail earns $75 for every shift she works at the pizzeria and $25 for every dog-walking job. She uses the expression 75x + 25y to keep track of her earnings.

Part A: Identify the coefficients and variables in the expression. 

Part B: How many terms are in the expression, what are they, and how do you know? 

Part C: Which term in the expression shows the total earned from the pizzeria?

 

2. Maggie earns money from working at the pet store and answering phones. She earns $10 each hour she works at the pet store and $0.25 for each phone call she answers. Maggie answered 60 phone calls and earned $115 last week.

Part A: Create an equation that will determine the number of hours she worked at the pet store. 

Part B: Solve this equation justifying each step with an algebraic property of equality.

Part C: How many hours did Maggie work at the pet store last week? 

 

3. Erica earns a rebate each month on her meals and movie tickets. She earns $3 for each movie ticket and $0.80 for each meal. Last month Erica purchased 15 meals and earned $18.

Part A: Create an equation that will determine the number of movie tickets she purchased.

Part B: Solve this equation justifying each step with an algebraic property of equality. 

Part C: How many movie tickets did Erica purchase last month?

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