I need some help please

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Math question.. plz me .. best answer all

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.