Here is an example menu following on from my previous thread. I do think I'm over budgeting but it's better to have more available then less!
This is how I would work out how much a meal would cost. I'll stand corrected on the tax amount, but from memory it was around 7.5, but it could of been a little more or less. Likewise with tips.
Breakfast at Carnation Cafe
3A, average $9 each including drink $27
Childs Meal, $6
Sub Total $33
Tax $2.46 (7.5%?)
Tip $5.55 (17.5%)
Grand Total around $41 in round figures
Lunch at Carnation Cafe,
3A, average $14 each including drink 3 x $14 = $42
Childs Meal, $7
Sub Total $49
Tax $3.67 (7.5%?)
Tip $8.57 (17.5%)
Grand Total $62 in round figures.
Dinner at Counter Service, Say at Random Hungry Bear
3A, average $11 each including drink = $33
Childs Meal, $6
Sub Total $39
Tax $2.92
Total $42 in round figures
Churro
4 x$3.50 each $14
Coke/Water /etc - OK will probably bring one, but you never know...
8 x $3 each $24
Fruit Piece Each from Main STreet Fruit Cart
4 x $1.60 each $5.20
So in total roughly $190
Money can be saved by bringing you own water, sharing meals, etc as described above.