owest10 owest10

08-12-2020
Mathematics

contestada

In the classroom the ratio of students who wear glasses to those who don't where
glasses is 3:7. If there are 30 students in the classroom, how many wear glasses?

Respuesta :

tofunmideborah14 tofunmideborah14

08-12-2020

Answer:

30

Step-by-step explanation:

3:7

30 students

3\10×30=9

7\10×30=21

9+21=30

Answer Link

Otras preguntas

The topic is Polynomial Factor Theorem.I need help please.

The points (3, 2) and (r, -2) lie on a line with slope -2. Find the missing coordinate r.

A process for the production of 1,3-butadiene results from catalytic dehydrogenation at atmospheric pressure of 1-butene according to the reaction: C4H8(g) → C

Bonjour qui pourrai me faire cette page d'exercice svp

03.06 LC) Which is the standard equation of the hyperbola centered at the origin, with a vertical transverse axis and values of a = 7 and b = 10?

A certain infinite geometric series has first term 7 and sum 4. What is the result when the third term is divided by the second term

How to solve this equation -7^2-(-1)

in ELI the ICE man refers to

True or false: All else being equal, a one-year bond's price is less sensitive to interest rate changes as compared to that of a ten-year bond's price

Can some one help me with 1 2 and 4