sohntiw sohntiw
  • 14-08-2020
  • Mathematics
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PLEASE HELP ON 13 TO BE MARKED THE BRAINLIEST

PLEASE HELP ON 13 TO BE MARKED THE BRAINLIEST class=

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sqdancefan
sqdancefan sqdancefan
  • 15-08-2020

Answer:

  D) 10000 feet

Step-by-step explanation:

We are told that for some actual altitude, the reading is ...

  30,000 ft = (1 -25%)altitude = 0.75×altitude

Multiplying by 4/3, we have ...

  (4/3)(30,000 ft) = altitude = 40,000 ft

To get to 30,000 ft, the plane must descend ...

  40,000 ft -30,000 ft = 10,000 ft

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