Question

Sonia noticed that during the summer an apple tree in their garden grew from 180 cm to 207 cm. What was the percent increase in height of the tree?

Answer 1

The answer would be 15%.

207-180=27

27/180=3/20

3/20x5 = 15/100

15/100=15%

Answer 2

Answer: 15%

Explanation:

`\%\ change=(New-Original)/(Original)* 100\\\\\\.\qquad \qquad=(207-180)/(180)* 100\\\\\\.\qquad \qquad =(27)/(180)* 100\\\\\\.\qquad \qquad =0.15* 100\\\\\\.\qquad \qquad =\boxed{15\%}`