Calculating Car Care Costs

Worksheet Description

The worksheet is centered around an itemized receipt from Sunshine Auto Repair Services, detailing services such as brake installation, tire replacement, and a wheel alignment. It lists individual prices for each service, a subtotal, tax applied, and a total amount due for the services rendered on January 4, 2022, by a service advisor named John. The accompanying questions challenge the student to calculate adjustments to the total amount based on changes in tax rate, determine savings from purchasing fewer tires, analyze service costs as percentages of the subtotal, and apply a cash discount to the total. Additionally, there’s a question about calculating the service advisor’s commission and one that involves converting time spent on a service into a percentage of a workday.

The worksheet teaches students to navigate and understand an auto service billing statement through mathematical reasoning. It introduces key financial concepts like tax rate adjustments, calculating savings, and understanding percentages in the context of a total bill. Students also learn to calculate discounts and apply percentage calculations to determine commissions. The final question encourages the development of time management skills by asking them to calculate the proportion of a workday spent on a transaction, integrating basic algebra into practical situations.