Question

after 4 weeks, the height of the plants had grown from 6 inches to 12 inches. Write and solve a proportion to find the percent increase in the height of the plants.

Answer 1

50%

Explanation:

The 4 weeks in unnesseccary information when it comes to the formula of change over time.

Formula: P=N-O/O times 100

P= percentage, n=new unit(12), o=old unit(6),

First, Subtract 6 from 12 getting 6. Then, divide 6 by 12, getting 0.5. Lastly, multiply 0.5 by 100 to get 50, which is your percent of change.