During a marathon race an athlete loses 3 % of his mass. At the end of the race his mass is 67.13 kg. Calculate his mass before
1 answer:
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Answer:
They will not have the same weight during the program
Step-by-step explanation:
Let x be the number of weeks.
<u>Sandra:</u>
Sandra is starting at 150 pounds and plans to lose 1 pound a week.
Weight after x weeks:
<u>Bernice:</u>
Bernice is starting at 135 pounds and plans to lose 1/2 a pound a week.
Weight after x weeks:
Weights must be the same, so
Since 30 weeks is more that 12 weeks (the duration of the program), they will not have the same weight during this program.