Welcome to Bytelearn!

Let’s check out your problem:

$2$. Aaron starts walking at a rate of $3 \mathrm{mi} / \mathrm{h}$ on a road toward a store $10 \mathrm{mi}$ away. Zhang leaves the store when Aaron starts walking, and he walks toward Aaron along the same road at $2$ $\mathrm{mi} / \mathrm{h}$. How many hours will pass before they meet?$\newline$A $1.5 \mathrm{~h}$$\newline$C $2 \mathrm{~h}$$\newline$B $10 \mathrm{~h}$$\newline$D $3 \mathrm{~h}$