Adding and subtracting fractions - multistep word problems - item 9001
david rode his bike a total of 24 miles from his house to the store.
first he rode 3 mile from his house to his school.
then he rode , mile from his school to the library.
finally he rode from the library to the store.
how many miles did david ride between the library and the store?

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.

Kis the midpoint of bc