A city has 3 new houses for every 9 old houses. If there are 21 new houses in the city, how many old houses are there?

Question

14-10-2017
Mathematics

contestada

A city has 3 new houses for every 9 old houses. If there are 21 new houses in the city, how many old houses are there?

Respuesta :

Otras preguntas

The fiery Tybalt, with his sword prepared, Which, as he breathed defiance to my ears, He swung about his head and cut the winds, Who nothing hurt withal hiss'd

The average mass of an adult human is 76kg on Earth. How far must a person go from the surface of the Earth so that they then weigh 26N?

To prevent tooth damage from excessive fluoride exposure in young children parents should:________________

Desmopressin is used to treat which of the following endocrine disorders? a) Diabetes mellitus b) Hyperthyroidism c) Hypothyroidism d) Diabetes insipidus

What is the maximum length of truck-tractor, semi-trailer, and trailer combinations (double bottoms) on all other roads besides certain designated highways?

# 10. What is the main idea of paragraphs 8 through 11? Use two details from the text to suppor your response. (4R2)

What is the determinant of an identity matrix?

A cancer's spread is called: a) oncogenesis b) metastasis c) carcinogenesis d) malignancy

What might happen if a BIOS update is improperly installed?

ItzAquarius ItzAquarius · Answer 1 · 2017-10-14T23:52:13+02:00

ItzAquarius ItzAquarius

14-10-2017

To find your answer you would divide 21 by 3 which would be 7, once you've got 7 you would multiply it by 9 which would give you the amount of old houses that there is which would be 63.

Answer Link