Mr Harris owns a bubble machine That he uses for different school events. The bubble solution contains 3/4 cup of corn starch for every 2 cups of water. What is the rate in cups of corn starch per cup of water.

3/8 cup of corn starch per cup of water :)

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.