Question by Summer Clouds - Discuss with MathYouLike

Summer Clouds moderators

31/07/2017 at 08:56

At the beginning of the summer, Bob was 140cm tall. At the end of the summer, he measured his height again and discovered that it had increaded by 5%. Measured in cm, what was his height at the end of summer?

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Lê Quốc Trần Anh Coordinator 31/07/2017 at 08:59

At the end of the summer, his height has increased: \(140.5\%=140:100.5=7\left(cm\right)\)

So his height at the end of the summer measured in cm is: \(140+7=147\left(cm\right)\)

So the answer is: \(147cm\)

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