Question

When Sally was 10 years old, she was 140 cm tall. Two years later, her height had increased by 10%. Find Sally's height when she was 12 years old.

Answer 1

Answer: 154cm

Explanation:

10% of 140 is 14

add that 10% to get 154

Answer 2

Answer is 154cm. 10% of 140 is 14, if she goes up 10% in two years then she is up 10% when she is 12. Add 14 to 140