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Peter weighs is 105 kg. His wants to lose 500 g per week. How many weeks will it take for him to have a mass of 90 kg

Sagot :

Answer:

30

Step-by-step explanation:

500 g = 1/2 kg => 2 weeks he loses 1 kg

105 - 90 = 15 kg

So he needs to take 30 weeks in total. ( 15 * 2)
  • 500g=0.5kg

Let weeks be x

So

  • 105-0.5x=90
  • 0.5x=105-90
  • 0.5x=15
  • x=15/0.5
  • x=30weeks
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