Dinner at your favorite restaurant cost $64.50 with tax for you and your family. you give the waiter $75 to pay the bill and a tip. what is the approximate percentage of the tip?

20%

Step-by-step explanation:

move decimal multiply by 2

16%

Step-by-step explanation:

Cost of the dinner including taxes = $64.50

Amount paid by you = $75

So, the tip given to the waiter = 75 - 64.50 = 10.50

Now,

We need to find out the percentage of the tip paid on the bill.

i.e., How much percent of 64.50 is 10.50

64.50 ——- 10.50

100    ——- ?

Cross multiplying;

(100 x 10.50)/64.50

= 16.27% ~ 16%

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.