A certain vehicle can drive 300miles on a tank of 20 gallons. how far can it drive on 30 gallons? what is the answer in miles?

PLEASE HELP!!

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Find the commission on a $590.00 sale if the commission is 15%.

Me n o w. i need t h i s. 10 points