<span>(1/3) * 4 = 4/3 = 1 and 1/3 miles</span>
There are105 different choices.
For 1 appetizer, there are 15 different combinations of entrees and desserts. 1 dessert has 5 entrees you can mix, and since there are 3 desserts, there are 15 choices. It goes the same for every appetizer until there is 7x15. 7Ax15choices equals 105 options.
The customer has 105 meal choices.
12385=X[(((1-(1+0.069/12)^(-12*5))/(0.069/12)]
Solve for x
X=244.65