Subtract 9/y - 1/4 having a hard time solving

Use the multiplier method to incrases £258 by 43%

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees