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Geometry 18 Online
OpenStudy (anonymous):

Geometry help

OpenStudy (anonymous):

The table below shows the distribution of students in Mrs. Boxer's sixth-grade class. What is the ratio of the number of girls to the total number of students?

OpenStudy (anonymous):

|dw:1366638108331:dw|

OpenStudy (anonymous):

A. 4/5 B. 5/4 C. 9/4 D. 4/9 E. 9/5 F. 5/9

terenzreignz (terenzreignz):

It's ratios... Number of girls / Number of students.

OpenStudy (anonymous):

What i do

terenzreignz (terenzreignz):

How many girls are there?

OpenStudy (anonymous):

12

terenzreignz (terenzreignz):

mhmmm and total number of students?

OpenStudy (anonymous):

27

terenzreignz (terenzreignz):

okay... \[\Huge ratio = \frac{\text{number of girls}}{\text{total number of students}}\]

OpenStudy (anonymous):

12/27

terenzreignz (terenzreignz):

Good. Now simplify that ~ :)

OpenStudy (anonymous):

4/9

OpenStudy (anonymous):

An old house in Boxerville measures 30 feet in height and has windows 5-feet in width. An architecture student builds a proportional model that is 3-feet high. How wide are the model's windows, in feet?

terenzreignz (terenzreignz):

Original height was 30 feet, in the model, 3 feet. What did you multiply to 30 so that you get 3?

OpenStudy (anonymous):

I got it right lol... .5

terenzreignz (terenzreignz):

Not bad.

OpenStudy (anonymous):

Let me hear a yay yay!!!

terenzreignz (terenzreignz):

I'd have to shout pretty darn loud for you to actually hear it... :D

OpenStudy (anonymous):

Where you live

terenzreignz (terenzreignz):

on the other side of the world, I presume

OpenStudy (anonymous):

S.C

terenzreignz (terenzreignz):

I'm Filipino-Chinese

terenzreignz (terenzreignz):

Living in Manila.

OpenStudy (anonymous):

??? i dont know where tht is

terenzreignz (terenzreignz):

It doesn't matter. :D

OpenStudy (anonymous):

Okay lets get back on geometry

OpenStudy (phi):

one detail : 30* 0.1 = 3

OpenStudy (anonymous):

The table below shows the distribution of students in a sixth grade drama club. What is the ratio of the number of girls to the number of boys? |dw:1366638881455:dw| A. 14/9 B. 5/4 C. 5/9 D. 5/4 E. 9/14 F. 9/5

terenzreignz (terenzreignz):

Oh, come on, this is almost the same as your first question :/ number of girls = ? number of boys = ?

OpenStudy (anonymous):

28/18

terenzreignz (terenzreignz):

Okay, good. Now simplify.

OpenStudy (anonymous):

14/9

terenzreignz (terenzreignz):

There you go.

OpenStudy (anonymous):

90/210... simplify tht plz

terenzreignz (terenzreignz):

Usually it's your job to simplify. But you can drop the zeros at both the numerator and denominator.

OpenStudy (anonymous):

wht

terenzreignz (terenzreignz):

\[\huge \frac{9\cancel0}{21\cancel0}\]

OpenStudy (anonymous):

3/9

OpenStudy (anonymous):

3/7

terenzreignz (terenzreignz):

^ this.

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