Question

 After 6 games played in a competition, Mavericks Football Club averaged 1.5 goals per game. How many goals would they have to score in the seventh game for that average to increase to 2 goals per game?

Answer 1

$\frac{1.5*6+x}{7}=2.$

$9+x=14.$

$x=5.$

They have to score 5 goals in the seventh game.