mcdonaldparis10 mcdonaldparis10

10-06-2020
Mathematics

contestada

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?

Respuesta :

Аноним Аноним

10-06-2020

Answer:

63

Step-by-step explanation:

Make a ratio:

5 : 7 = 45 : x

x = 63

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