Question

1:27 p. m. you Model with Mathematics Write a real-world problem in which would solve the equation a + 12 = 30.

Answer 1

We have the following:

A mother has two children, the sum of the ages of her children is 30 years, and one of her children is 12 years old, how old would the other child be?

`\begin{gathered} a+12=30 \\ a=30-12 \\ a=18 \end{gathered}`

Therefore the other child is 18 years old