Solve each system in Exercises 5-18.
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- Write a system of three equations in three variables with an infinite number of solutions.arrow_forwardWrite a uniform motion problem similar to Example 5.42 that relates to where you live with your friends or family members. Then translate to a system of equations and solve it.arrow_forwardSolve the system 2x6y+6z=462x3y=31.arrow_forward
- Write an application problem similar to Example 4.14. Then translate to a system of equations and solve it.arrow_forwardTake a handful of two types of coins, and write a problem similar to Example 5.46 relating the total number of coins and their total value. Set up a system of equations to describe your situation and then solve it.arrow_forwardUse the system of three equations in three variables to solve each problem. Work schedules A college student earns 198.50 per week working three part-time jobs. Half of his 30-hour work week is spent cooking hamburgers at a fast-food chain, earning 5.70 per hour. In addition, the student earns 6.30 per hour doing janitorial work. How many hours per week does the student work at each jobarrow_forward
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