Find two consecutive integers such that the first increased by three times the second is equal to 15

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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