shifaithtru04ov48sa shifaithtru04ov48sa

23-08-2017
Mathematics

contestada

the ratio of boys to girls at a movie is 4:7 if there are 21 girls how many boys are at the movie

Respuesta :

Peredhel Peredhel

23-08-2017

Hi!

4:7
x:21

21/7 = 3
4 · 3 = 12

4:7
12:21

There are 12 boys at the movie.

Hope this helps! :)

Answer Link

gabbycastle gabbycastle

23-08-2017

If ratios aren't a strong thing for you, make it into a fraction and compare it that way.

4/7 = _/21

21 divided by 7 = 3

So, 3 times 4 = _

Answer Link

Otras preguntas

If you earned $200 interest on a loan of $500 at an interest rate of 2%, how many years was the loan for?

If the probabilities that an automobile mechanic will service 3, 4, 5, 6, 7, or 8 or more cars on any given workday are, respectively, 0.12, 0.19, 0.28, 0.24, 0

In February 2000, the United States imposed a tax on imported steel in an effort to protect about 5,000 U.S. jobs. Another name for this levied tax is a(n) ____

Change the following sentences from direct to indirect speech. 1. He said, "I will be here at noon." 2. Mary said, "The train will probably arrive on time." 3.

Impersonal communication involves _________________.a.sharing personal informationb.trying to become friendsc.barriers to developing positive relationshipsd.bot

The sum of the atomic masses of all the atoms in a formula for a covalent compound is the

Atom A has four electrons in its outer shell. In the vast majority of cases, an atom of this type will form ______ bonds with other atoms. Select one: a. hydrog

Point Y is the midpoint of segment XZ. If XY = 2(3x +1) and YZ = 5x + 22, find the value of x.

Compare and contrast life in the Spanish, French, Dutch, and English colonies, differentiating between the Chesapeake Bay and New England colonies. Who were the

A 162 B 117 C 18 D 50