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In Mathematics / Middle School | 2014-04-07

A certain bean plant grows 15% of its height each day.

a. Express this percent as a decimal.

b. Today, after 10 days, the plant is 27 inches tall. How tall was it yesterday?

Asked by Stylist513

Answer (3)

To express 15% as a decimal, divide by 100 to get 0.15. To find yesterday's height of the bean plant, divide today's height (27 inches) by 1.15, resulting in approximately 23.48 inches. ;

Answered by peter501 | 2024-06-18

The growth of a bean plant can be contextualized through percent change in mathematics. To convert a percentage to a decimal, you simply divide by 100, making 15% equivalent to 0.15.
To determine the height of the plant yesterday, we reverse the growth process by dividing today's height by 1 plus the growth rate. So, if the plant is 27 inches tall today and grows at 15% per day, we can calculate:
Height Yesterday = Today's Height / (1 + Growth Rate as a Decimal)
Height Yesterday = 27 inches / (1 + 0.15)
Height Yesterday = 27 inches / 1.15
Height Yesterday = 23.478 inches
Therefore, the plant was approximately 23.478 inches tall yesterday.

Answered by VeraMindy | 2024-06-24

To express 15% as a decimal, you divide by 100 to get 0.15. The plant's height yesterday, given it is 27 inches today, is approximately 23.48 inches after calculating with the growth rate. Thus, it had grown from about 23.48 inches yesterday to 27 inches today.
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Answered by peter501 | 2024-12-20