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svlad2 [7]
3 years ago
12

A city has 5 new houses for every 7 old houses. If there are 45 new houses in the city, how many old houses are there?

Mathematics
1 answer:
torisob [31]3 years ago
6 0

Answer:

63

Step-by-step explanation:

Make a ratio:

5 : 7 = 45 : x

x = 63

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3 3/7= 24/7 because multiply the denominator and whole number. 3*7=21

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Answers:

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