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## Linear Systems Answers

[ 1 h 4 ]  [ 3 6 8 ]      ---> This is linear system. please help me

If a plane can travel 460 miles per hour with the wind and 420 miles per hour against the wind, find the speed of the wind and the speed of the plane in still air.

A store sells a 1-L can of paint for \$9.60 and a 4-L can of paint for \$20.80. The store has 140 cans of paint, for a total selling price of \$2206.40. Write a linear system that models the situation...

Problem Page Last year, Milan had \$20,000 to invest. He invested some of it in an account that paid 10% simple interest per year, and he invested the rest in an account that...

It is estimated that to complete an excavation would take 2 days using 4 bulldozers and 3 steam shovels, and 3 days using 5 bulldozers and 1 steam shovel. How many days would one bulldozer and one...

At a college bookstore, Carla purchased a math textbook and a novel that cost a total of \$54, not including tax. If the price of the math textbook is \$8 more than 3 times the price of the novel, what...

Hanna borrowed \$250from her parents to buy a new bike. She plans to pay back the money she borrowed by giving her parents each week \$15 from the money she makes after school.

This problem confuses me because at the bottom of the problem they have a model of a triangle. The triangle is split in half. There is a dotted line down the middle labeled 4. The outside (longest)...