Which expression is equivalent to 12x + 36y

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

Two lines that do not intersect are skew. always sometimes or never

43lbs of tomatos cost $387. how much would 41lbs cost