Mathematics, 21.04.2020 20:27 sama4awad

A city has 4 new houses for every 9 old houses. If there are 20 new houses in the city, how many old houses are there?
A. 43
B. 49
C. 45
D. 47

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A city has 4 new houses for every 9 old houses. If there are 20 new houses in the city, how many old...

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