Eric got a haircut that cost $35. He left a $7 tip.

What percentage did Eric leave as a tip?
20%
5%
7%
25%

The tip amount is $7. The total cost of the haircut including tip is $35 + $7 = $42.

To calculate the percentage of the tip Eric left, you would take the tip amount ($7) divided by the total cost ($42) and then multiply by 100 to get the percentage.

($7 / $42) * 100 = 16.67%

Therefore, Eric left a 16.67% tip.