The Fan Cost Index (FCI) represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an independent golf league and an independent arena football league totaled $124.41. The arena football FCI was $7.79 more than that of golf. What were the FCIs for these sports?

Golf league FCI = $58.31

Arena football league FCI = $66.10

Step-by-step explanation:

Let G be the fan cost index for the golf league and F be the fan cost index for the football league. The following system of equations can be modeled from the given information:

Solving this linear system (substituting the second equation into the first one):

Golf league FCI = $58.31

Arena football league FCI = $66.10

first you would have to subtract $89.99 - $30 to get $69.99 then multiply 11 x 7 to get 77. the answer is 7 weeks