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A city has 3 new houses for every 7 old houses. If there are 21 new houses in the city, how many old houses are there? A. 52 B. 49 C. 51 D. 47

A city has 3 new houses for every 7 old houses. If there are 21 new houses in the city, how many old houses are there? A. 52 B. 49 C. 51 D. 47
asked 134k views
1 vote
A city has 3 new houses for every 7 old houses. If there are 21 new houses in the city, how many old houses are there?

A.
52
B.
49
C.
51
D.
47

asked
User Avi Fatal
by
8.5k points

1 Answer

1 vote

Answer:

B. 49

Explanation:

21/3 = 7

7*7 = 49

answered
User Keyma
by
8.4k points
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