MHB Solving Linear Equations: 2 Planes from LAX - Cbarker1

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The discussion revolves around setting up a system of linear equations to solve a problem involving two planes departing from Los Angeles International Airport. The first plane flies for 2 hours, while the second plane, which is 80 kilometers per hour faster, departs half an hour later. The goal is to determine the airspeed of each plane given that they are 3200 kilometers apart after 2 hours. Participants seek clarification on the problem's details, particularly regarding the timing and units of measurement. The conversation emphasizes the need for accurate setup of the equations to find the solution.
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Dear Everyone,

I have some help setting up a system of linear equation. The problem states,
Two planes start from Los Angeles International Airport and fly in opposition directions. The second plane starts $\frac{1}{2}$ hour after the first plane, but its speed is 80 kilometers per hour faster. Find the airspeed of each plane if 2 hours after the first plane departs, the planes are 3200 kilometers apart.

I know the x is the first plane and y is the second plane.

Thank you

Cbarker1
 
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Cbarker1 said:
Dear Everyone,

I have some help setting up a system of linear equation. The problem states,
Two planes start from Los Angeles International Airport and fly in opposition directions. The second plane starts $\frac{1}{2}$


$\frac12$ what? What are the units?

after the first plane, but its speed is 80 kilometers per hour faster. Find the airspeed of each plane if 2 hours after the first plane departs, the planes are 3200 kilometers apart.
I know the x is the first plane and y is the second plane.

Thank you

Cbarker1
 
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