PLEASE HELP The original price of a sofa is $500.
a. If the sofa price decreased by 20%, what is the new price?
b. The company can’t sell the sofa after 3 weeks so they reduce the price to $320. What is the percent decrease?
c. If the company reduces the price in week 4 to $290, what is the percent decrease?

The answer is __ hoped this helps

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.