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
2 answers:
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)
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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