Aboy has as many sisters as brothers, but each sister has only half as many sisters as brothers. how many brothers and sisters are there in the family?

There are 4 sons and 3 daughters
Son A has three other brothers and three sisters but daughter A has only two sisters and four brothers meaning she has half as many sisters.

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.