Shaybear1234 Shaybear1234

04-01-2017
Mathematics

contestada

The ratio of the number of volleyball to the number of basketballs in the P.E room is 4:7 .there are 21 basketballs . How many volleyballs are there?

Respuesta :

olemakpadu olemakpadu

04-01-2017

Let volleyball be v and let basketball be b.

v : b = 4 : 7, b = 21

v : 21 = 4 : 7

v/21 = 4/7

7*v = 4*21

v = 4*21/7

v = 4*3

v = 12

Volleyballs are 12

Hope this helps.

Answer Link

Otras preguntas

a person who studies word origins and meanings would most likely be a

1. Why are there active volcanoes along the Pacific coast in Washington and Oregon but not along the East coast of the United States?

Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies both inequalities

Which statement is NOT true?A. If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on

a person who studies word origins and meanings would most likely be a

One-half of a number is -12. Find the solution ???

how do I solve x+2y=8

Question: 35/8 ( write as mixed number ) Please help me very very quickly!!!!!!!!!!!!!!!!!!!

. What are three factors that could contribute to a source not being credible?

Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4