In a magical garden, a flowering plant grows by 6 inches per day. If the initial height of the plant on day 1 is 8 inches, calculate the difference between the heights on day 3 and the day 1?

11 inches

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12 inches

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13 inches

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10 inches

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Solution

The correct option is B 12 inches
Initial height of the flowering plant = 8 inches
Growth rate of the plant per day = 6 inches
Height of the plant on day 1 = 8 inches
Height of the plant on day 2 = 8 + 6 = 14 inches
Height of the plant on day 3 = 14 + 6 = 20 inches
Height difference of plant between day 3 and day 1 = 20 − 8 inches = 12 inches
Therefore, 12 inches is the difference between the heights of the flowering plant on the 1st and 3rd day.

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