There are 42 new houses being built in a neighborhood. Last month, 2/3 of them were sold. This month, 3/7 of the remaining houses were sold. How many houses are left to be sold?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Pls brainliest will be awarded if answer is correct