What percent of 25 is 10?

Question

A)10=x•25;40% **
B)10=x•25;250%
C)25=x•10;4%
D)25=x•10;250%

The sales tax is 6.9%
A.Find the tax paid for a pair of boots with a list price of $128.
B.What is the total cost of the pair of boots.
1)$8.83; $128.88
2)$8.83; $136.83
3)$0.88; $136.83
4)$0.88; $128.88
My answers:
1) A
2)???

Answer 1

x= 10/25 * 100% = 40% Correct

6.9 % / 100% * 128 = Tax
Tax + list price = total cost.