You can
put this solution on YOUR website!This is a bit fuzzy as problems go. Is the tip 20% of the original bill, or 20% of the bill after the tax?
Let's assume it is 20% of the original bill.
Then the total cost is given as $25.
The tax is 7.75% of the CostOfFood =

The tip is 20% of the CostOfFood =

The total cost is