Plane A has just 1 ton of fuel left and has requested plane B to refuel it. Plane B has 21 tons of fuel. Fuel transfer happens a
t the rate of 1 ton per minute. Use this information as you work through the activity and find how long it will take to refuel plane A until both planes have the same amount of fuel. Let x be the time in minutes and y be the amount of fuel in tons. The equation y=x+1 represents the quality of fuel with respect to time in plane A, and y=-x+21 represents the quality of fuel with respect to time in plane B. For each equation, find two points that satisfy the equation.
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