Answer: Percentage of sales tax will be 5%.
Step-by-step explanation:
Since we have given that
Original amount of a surfboard = $240
Sales tax on a surfboard = $12
So, Percentage of sales tax will be

Hence, Percentage of sales tax will be 5%.
<span>The answer to this is about 8.424%. You could round it to 8.5% though.</span>
The inequalities that Heather could have written to compare the temperatures will be:
B. 2 < -10
C. 4 >-20
E. -8 < -15
<h3>What is inequality?</h3>
It should be noted that inequality us the relation between two expressions that aren't equal.
Therefore, the inequalities that Heather could have written to compare the temperatures will be: 2 < -10, 4 >-20,and -8 < -15.
Learn more about inequalities on:
brainly.com/question/24372553
1/x=6/21
What you need to do is set it up as a proportion. 1 cup to 6 cups cake mix, x cups to 21 cups cake mix.
21/6 is 3.5
So 3.5 cups of water to 21 cups of cake mix (:
Hope this makes sense!