elijahlfrazier
elijahlfrazier elijahlfrazier
  • 08-10-2020
  • Mathematics
contestada

Each year for 3 years, the time it takes to run a mile decreases by 7 seconds.

What number represents this total change in time.

Respuesta :

Amiah1227 Amiah1227
  • 08-10-2020

Answer:

21

Step-by-step explanation:

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