An item costs $386 before tax, and the sales tax is $15.20. Find the sales tax rate. Write your answer as a percentage.

Sales tax rate = 3.94%

Step-by-step explanation:

Sales tax rate = 0.039378... ⇒ 3.94%

the barter

i think there was a typo. you wrote pat brings 3 quarts of ice-cream to the party. each serving of ice-cream is 1 6 quart. how many total servings of ice-cream does pat bring to the party? i think the bold is supposed to be 1/6. so 1 quart of ice cream = 6 servings. 6 * 3 = 18.