Please help me you get 20 points !

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

∆red ≅ ∆ by rule will give brainiest if possible

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.