Question

Given the table below, which student wrote a correct equation between the number of horses, x, and the cost of boarding, y?

Answer 1

We have to try the equations withe value to know which student wrrote the correct equation.

Tori's equation

$\begin{gathered} 31x-2y=74 \\ 31(0)-2(37)=-74 \\ 31(4)-2(99)=124-198=-74 \end{gathered}$

Laquita equation

$\begin{gathered} y=15.5x+37 \\ y=15.5(0)+37=37 \\ y=15.5(4)+37=99 \\ y=15.5(8)+37=161 \\ y=15.5(10)+37=192 \\ y=15.5(12)+37=223 \end{gathered}$

D. Only Loquito equation is correct