Greta was $$110\text{cm}$$ tall $$2$$ years ago, when she was $$10\text{cm}$$ taller than her brother. They both have grown, but now Greta is $$10\text{cm}$$ shorter than her brother. If her brother grew $$40\text{cm}$$ in those two years, Greta is now$$\text{cm}$$ tall. 
Overseas Competition->Knowledge Point->Word Problem Modules->Applying Addition and Subtraction->Simple Addition and Subtraction
Greta was $$110\text{cm}$$ tall $$2$$ years ago, when she was $$10\text{cm}$$ taller than her brother. Her brother was $$100\text{cm}$$ then. Now Greta is $$10\text{cm}$$ shorter than her brother. If her brother grew $$40\text{cm}$$, he is now $$140\text{cm}$$. Greta is now $$130\text{cm}$$ tall. 