Two families buy refreshments at a concession stand. Each drink costs $d$ dollars.
Each snack costs $s$ dollars.
The Blake family buys $3$ drinks and $2$ snacks for $12$ .
The Reese family buys $2$ drinks and $4$ snacks for $16$ .

What is the cost of one drink at the concession stand?

more detail

step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

answer: its the third option.

step-by-step explanation:

i just took the test.