To determine how many houses are left to be sold, let's start by calculating the number of houses sold in each of the two months:
First, last month, 2/5 of the 70 houses were sold:
2/5 * 70 = 28 houses sold last month
Then, this month, 2/7 of the remaining houses were sold. The remaining houses after last month's sales would be 70 - 28 = 42 houses. Therefore, this month, 2/7 * 42 = 12 houses were sold.
To find out how many houses are left to be sold, we can subtract the total houses sold from the initial 70 houses:
70 - 28 - 12 = 30 houses are left to be sold
So, there are 30 houses left to be sold in the neighborhood.
