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Mathematics, 03.06.2020 00:00 liyahhhbandz

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Which situation involves a change modeled by a positive number but an end result modeled by a negative number?

Leo enters an elevator on the second floor and goes down four floors.

A plane, flying at an altitude of 300 feet, descends 50 feet.

Irene is scuba diving at –30 feet. She swims 10 feet toward the surface to watch a school of fish.

April owes her brother $5. On Friday, she gets $10 for her allowance.

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