System Applications 1. The pet store is having a sale on pet beds and toys. One customer buys 1 pet bed and 3 pet toys for a total purchase of $55.00. Another customer buys 3 pet beds and 5 pet toys for a total purchase of $125.00.
2. Two trains are traveling in the same direction. The first train is traveling at 110 miles per hour. The second train is traveling at 150 miles per hour but left the station after the first train had gone 300 miles.
3. Janie's new job has a different payment schedule than her last. Her last job paid $8.50 for every hour worked. Her new job pays her $3.00 for every hour worked plus a set amount of $150 each week.
Define each variable in each problem please! <3