A clown grabbed balloons of different colors. 7/10 of the balloons are orange.
1/4 of the remaining balloons are blue.
The rest of the balloons are pink.
The clown grabbed 126 pink balloons. How many balloons did the clown grab?

Only 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, . , -, and / are allowed in your answer.
Answers that are mixed numbers must be entered as an improper fraction or
decimal.

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.