A restaurant bill comes to 28.35. Find the total cost is the tax is 6.25% and a 20% tip is left on the account before tax

Question

Mathematics

Roger Jordan

15 November, 20:52

A restaurant bill comes to 28.35. Find the total cost is the tax is 6.25% and a 20% tip is left on the account before tax

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Claudia Andersen · Answer 1

Convert the % numbers to decimals: 6.25% = 0.0625, 20% = 0.2

Now, the bill of $28.35 must add 6.25% of 28.35 for tax and 20% of 28.35 for tip.

So, to use an equation: Total cost = 28.35 + (28.35) (0.0625) + (28.35) (0.2) = 28.35 + 1.77 + 5.67 = $35.79.