Shawn is 54 kg. Alice is 420 g heavier than Shawn but 165 g lighter than Maggie. What is Maggie’s mass in kg? Give your answer to 2 decimal places.
Question
Shawn is 54 kg. Alice is 420 g heavier than Shawn but 165 g lighter than Maggie. What is Maggie’s mass in kg? Give your answer to 2 decimal places.
Solution
First, we need to convert all weights to the same unit for easy calculation. Since the weight of Shawn is given in kg, we will convert all weights to kg.
1 kg = 1000 g
So, Alice is 420 g heavier than Shawn, which is 0.42 kg. Therefore, Alice's weight is 54 kg + 0.42 kg = 54.42 kg.
Alice is also 165 g (or 0.165 kg) lighter than Maggie. So, Maggie's weight is 54.42 kg + 0.165 kg = 54.585 kg.
Therefore, Maggie's weight is 54.59 kg when rounded to two decimal places.
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