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A paper airplane was thrown from the top of a tall building. The height of the paper airplane above the ground can be found using the function y=-1.5x+60 where x is the time in seconds the airplane has been in the air. How many seconds did it take to reach the ground

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Answer:The answer is 40 seconds.

Step-by-step explanation: You can find this out by seeing it starts 60 feet in the air. For every second it travles 1.5 units down.

60 feet /1.5 feet per second =40 seconds till it hits the ground.

This is my first time answering a question thx for the great rating!

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