9. In a trivia contest, players form teams and work together to earn as many points as possible for their team. Each team can have between 3 and 5 players. Each player can
score up to 10 points in each round of the game. Elena and four of her friends
decided to form a team and play a round.
Write an expression, an equation, or an inequality for each quantity described here. If
you use a variable, specify what it represents.
a. the number of points that Elena's team earns in one round
b. the number of points Elena's team earns in one round if every player scores
between 6 and 8 points
c. the number of points Elena's team earns if each player misses one point
d. the number of players in a game if there are 5 teams of 4 players each
e. the number of players in a game if there are at least 3 teams