a plane is 4500 m above the sea level and another is 3000m below the sea level. What is the distance between the two planes.
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a plane is 4500 m above the sea level and another is 3000m below the sea level. What is the distance between the two planes.
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Step-by-step explanation:
Let the distance above sea level be represented by positive number
1st plane is 4500 m above the sea level = +4500
Let the distance below sea level be represented by negative number
2nd plane is 3000 m below the sea level = -3000
Total distance between them = 4500-(-3000)
= 4500+3000
7500