2. At the same time Thao begins counting aloud backward from 100 by 2's. Takeisha begins counting aloud forward from 15 by 3's. If they count in unison, what number will they say at the same time ?

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

It can be seen from the meaning of the question: Assuming that they are the same number in the number x at the same time, the equation can be written as: (100-x)/2=(x-15)/3, and x is 66 , the answer is K.