Answer:
John need to get 293 in his next game to bring his average up to 183.
Step-by-step explanation:
John starts with N games played and averaging 177 points per game.
In game N+1, John scored 199 points.

So, John has now played (N+1) = 22 games.
We need to know what score John needs in game 23 to bring his average to 183.

Answer:
the 21st day
Step-by-step explanation:
21 is 3 and 7's least common multiple
That would be 6 and 6/8 inches