anonymous
  • anonymous
An athlete can burn 10 calories per minute while running and 4 calories per minute while walking. If the athlete burns 450 calories in 60 minutes, how long is spent on each activity?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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hoblos
  • hoblos
x=running time y=walking time x+y=60 10x+4y=450 can you solve the system??
anonymous
  • anonymous
I thought t needs one variable?
hoblos
  • hoblos
i'll solve it for you first multiply the first equation by 4 4x+4y=240 10x+4y=450 subtract -6x = -210 x=35 min y=60-35 =25 min

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