a. Identify the important data. b. Establish a relationship between the data. c. Analyze the relationship. d. Answer in a complete sentence. e. Demonstrate the entire procedure necessary to arrive at the correct answers and thus obtain partial or full credit. Exercises: 1. Fabiola has a group of nickels and dimes in her purse, and there are eight more nickels than dimes. She has a total of $1.60 in her purse. a. Find the number of coins of each type. 2. Gilberto and Vivian are considering opening a new crafts store. They would spend $1,339 weekly on fixed costs for utilities and maintenance. Each item costs $9.50 to produce, so they review whether it's worth selling each item for $25. a. How many items should they sell weekly if they want to make a profit of $865 for each one? 3. Christian purchased a school bus at a cost of $54,780. Its useful life is 9 years and it has a salvage value of $3,471. a. How much does the bus depreciate each year? b. What will its value be after 6 years? c. Prepare a table showing the depreciation and value of the bus by year