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A boy was just measured as part of his annual checkup and turned out to be 58.8 inches tall, which is 1.1% taller than the last time he was measured. How tall was the boy last time?Round your answer to the nearest tenth.

解

解

Amount before addition : 58.16023 \dots

解答ステップ

Translate the problem into an equation:

58.8 = x + 0.011 x

58.8 = x + 0.011 x : x = \frac{19600}{337}

\frac{19600}{337} = 58.16023 \dots

Amount before addition : 58.16023 \dots

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