Name Writing Algebraic Expressions 1. Eric worked a total of 35 hours this week. Write an expression that represents how much money Eiric carned this week. Let \( w \) represent how much he Eric carns per hour. 3. Julius earns \( \$ 12.50 \) per hour. His most current paycheck included earnings for \( h \) hours. His check also included a bonus of \( \$ 300 \). Write an expression reflecting how much Julius earned on his paycheck. 5. A website charges \( \$ 20 \) for a membership. For each membership, \( \$ 1 \) is donated to charity. Write an expression that represents how much money the website earned this month if \( x \) number of people signed up for a membership. 2. Tara ran a distance of 5.4 mites. It took Tara \( h \) hours to complete her run. Write an expression that represent Tara's rate of speed per hour. 4. Squeaky Clean Maid services charges each customer a \( \$ 50 \mathrm{fee} \) and \( \$ 15 \) dollars for each hour it takes to complete their job. Write an expression showing how much the cleaning service charges for each job. Let \( h \) equal the number of hours it takes to complete a job. 6. A rectangle has a length of 8 inches and a width of \( w \). Write an expression that represents the perimeter of the rectangle. 8. Molly is \( \boldsymbol{n} \) years old. Julie is 2 more than 3 times the age of Molly. Write an expression to represent Julie's age. per hour. Write an expression to represent how much Valerie earns per hour.
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The Deep Dive
When we talk about writing algebraic expressions, it's essential to think about how we can represent real-life situations mathematically. For instance, if Eric earned \( w \) dollars per hour for 35 hours, his earnings can be captured with the expression \( 35w \). Similarly, Julius' earnings would be expressed as \( 12.50h + 300 \), combining his hourly rate and the bonus into a single formula that reflects his total paycheck! Algebraic expressions can help us solve everyday problems! For example, consider Tara's speed. If she ran 5.4 miles in \( h \) hours, we can express her speed as \( \frac{5.4}{h} \) miles per hour. This way, by substituting different values for \( h \), we can find out how fast she was running for various durations! So, whether it's calculating earnings or measuring speed, algebra makes the world comprehensible and fun!