Hniininnii Hniininnii

03-11-2014
Mathematics

contestada

There are 21 males in the algebra 1 class. If 75% is female, how many students are there in the class?

Respuesta :

03-11-2014

[tex]x-\ female\\\\ y-all\ students\\\\ z=21\\ x=0,75y\\\\ x+z=y\\ 0,75y+21=y\ \ \ |subtract\ 0,75y\\ 21=0,25y\ \ \ | divide\ by\ 0,25\\y=84\\\\There\ are\ 84\ students\ in\ class.[/tex]

Answer Link

Otras preguntas

6(-2.3x-5)+(4x+11)= what is the answer

the scale in the drawing is 2cm 5m. what are the length and width of the actual room. __________14inch | 7inch|

What shape is number : 3, 4, and 7

PLEASE HELP I GIVE THANKS

What did Adam Smith say should determine the cost of goods?

Madagascar (Lesson 06.01) •Which one of the following different creepy crawlers would you likely not discover when exploring the Madagascan forest? – giant hi

literal equation R=R1+R2 for R2

What kind of cell has a large, central, vacuole

Is a population made up of different communities in an area

The length of a rectangle is 4 more than 3 the width. If the perimeter of the rectangle is 18.4 cm, what is the area of the rectangle?