Posted by jim on .
A gardener measures the tallest of his prizewinning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it.

math 
PsyDAG,
What is your question? It grew 8 inches or a percentage increase of 8/52 = 15.4%.
Does that help? If not, repost with your question specifically stated.