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briannawilliams893
briannawilliams893
09.10.2021 • 
Mathematics

A park ranger uses two drones to observe wildlife. After letting the drones hover at the same height for a while, she decreases the height of the first drone by 3834 feet in order to take pictures. She also decreases the height of the second drone, but only by 20% of the decrease in height of the first drone. Which THREE methods could be used to find the change in height, in feet, of the second drone?
A
Multiply −3834 by 15.
B
Multiply −38.75 by 0.2.
C
Multiply −38 by 0.2. Then add 0.75.
D
Multiply −3834 by 110. Then multiply by 12.
E
Multiply −38 by 15. Then multiply −34 by 15. Add the products.

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