Need additional help with solving these Linear Equations;

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A coin bank containing only dimes and quarters has 32 more dimes than quarters. The total value of the coins is $6. How many quarters and dimes are in the coin bank? quarters Tutorial dimes Additional MaterialsA plane traveling with the wind travels 1100 miles in 5 hours. The return trip is against the wind and takes 11 hours. Find the rate of the plane in still air and the rate of the wind. plane in still air mph wind speed mph TutorialA woman paddling a canoe downstream with the river current travels 28 miles in 2 hours. On the return trip, she paddles the same distance upstream against the river current in 7 hours. Write and solve a system of two linear equations to determine the rate of the boat in calm water and the rate of the current, both in miles per hour. calm water mph current Umph 12 TutorialAn experiment calls for a 5% salt solution. Only a 3% salt solution and an 6% salt solution are available. How many gallons of each must be combined to obtain 30 gallons of a 5% salt solution? 3% solution gal 6% solution gal TutorialUse a system of linear equations with two variables and two equations to solve. A jeep and BMW enter a highway running east-west at the same exit heading in opposite directions. The jeep entered the highway 30 minutes before the BMW did, and traveled 6 mph slower than the BMW. After 5 hours from the time the BMW entered the highway, the cars were 754.5 miles apart. Find the speed of each car, assuming they were driven on cruise control. speed of the jeep mph speed of the BMW UmphUse a system of linear equations with two variables and two equations to solve. If a scientist mixed 30% saline solution with 80% saline solution to get 25 gallons of 70% saline solution, how many gallons of 30% and 80% solutions were mixed? 30% saline solution gal 80% saline solution galHalf of the perimeter of a rectangular garden, whose length is 2 meters more than its width, is 54 meters. Find the dimensions of the garden. length m Tutorial width m Additional Materials