Question

Write the rule that is expressed by this situation:

On my last birthday, I weighed $40\mathrm{kg}$. If I put on $\mathrm{m}\mathrm{kg}$ of weight during the year. What is my present weight?

Answer 1

Weight on last birthday $=40\mathrm{kg}$

Additional weight $=\mathrm{m}\mathrm{kg}$

Thus, present weight $=40+\mathrm{m}\mathrm{kg}$