Question 1118145
b, drinks ("beverage")
h, hot dogs

Directly from the description:
{{{system(3b+2h=5.25,b+h=2.25)}}}


If you want to solve, elimination can be a good method.
{{{system(3b+2h=5.25,2b+2h=4.5)}}}

That will give you {{{b=0.75}}},....