Answer:
Tip given to the server be $6.44 .
Explanation:
As given
The Edwards family's bill for dinner is $42.95.
The normal tip is 15%.
15% is written in the decimal form .

= 0.15
Tip given to the server = 0.15 × Cost of the dinner
Putting all the values in the above
= 0.15 × 42.95
= $6.44 (Approx)
Therefore the tip given to the server be $6.44 .