If there are four new houses for every seven old houses, then the ratio of new houses to old houses is 4/7.
We can find the number of old houses by multiplying the number of new houses (36) by the reciprocal of the ratio:
36 * (7/4) = 63.
So, there are 63 old houses in the city.
The answer is C) 63.
A city has four new houses for every seven old houses if there are 36 new houses in the city how many old houses are there?
A. 61
B. 65
C. 63
D. 67
1 answer