(each surfboard is $240) the sales tax on a surfboard is $12. what is the percent of sales tax?

5%

Step-by-step explanation:

225x=12

divide 225 on both sides to get

0.05

Now convert into a decimal by moving two spaces to the right

then you get 5%

answer: the answer is 35%

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,