Valde07mendes Valde07mendes

20-12-2017
Mathematics

contestada

At a school number of boys : number of girls = 11 : 9

There are 124 more boys than girls.
Work out the total number of students at the school.

Respuesta :

lilyamj lilyamj

20-12-2017

ok, so 11:9
11-9 = 2
which means that 124= 2:1
124/2 = 62
so 62:0
now 11 x 62= 682
9 x 62= 558

so the ratio is 682:558
now 682 + 558 = 1,240
There are 1,240 total students in the school. 682 boys and 558 girls

Answer Link

Otras preguntas

In what year did the Nazis begin to implement the "final solution"? A. 1938 B. 1942 C. 1940 D. 1948

What type of fertilization requires a great excess of egg and sperm gametes because most are wasted? external fertilization internal fertilization pollination

A big ethical issue in any form of communication is: A. discussing politics. B. irrelevance. C. plagiarism. D. referring to different races.

What happened to Germany's Air force after WWI?

Copies of sales tickets or sales invoices issued to customers or clients provide information about sales of goods or services true or false?

Gibbons v. Ogden reinforced __________. A. The bill of Rights B.the states’ authority over the federal government C.the federal government’s authority over stat

SaturatedUnsaturated fats remain in liquid form at room temperature

What is narrative poetry?

How would you model 5x2/3?

The endocrineexocrine secretes hormones externally to the skin or mouth