9. Sonia bought 5 shirts that cost $38.00 each. If the tax rate is 8.5%, how much did Sonia pay?
A $206.15
B $173.85
C$351.50
D $190.00

The answer is A

8.5% sales tax + 38.00= $41.23 x 5 (shirts)= $206.15

1. 5/82.95% is better than 7/8

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.