zohaehsan668 zohaehsan668

22-03-2020
Social Studies

contestada

The ratio of boys to girls in a class is 3:5. There are 40 students in the class. How many more girls than boys are there?

Respuesta :

upandover upandover

22-03-2020

Ratio:

3 boys / 5 girls

total = 8 people

5 girls / 8 people

Proportion:

5 girls / 8 people = x girls / 40 people

8x = 200

x = 25 girls

40 - 25 = 15 boys

25 - 15 = 10 more girls than boys

There are 10 more girls than boys in the class.

Hope this helps!! :)

Answer Link

Otras preguntas

Cattle depend on microorganisms in their digestive tract to digest the cellulose in their diets. The cattle and the microorganisms are .. Carnivores Mutalistic

Which was a response to the terrorist attack against the United States on September 11, 2001? (Points : 3) invasion of Afghanistan OPEC oil boycott Yom Kippur W

Compare and Contrast How would a road map and a topographic map of the same area differ? What information would each provide?

Why is it important for the chromosomes to line up in the middle of the cell during mitosis? Describe the differences between the original cell that undergoes m

Compare and Contrast How would a road map and a topographic map of the same area differ? What information would each provide?

Chlorine gas will effuse more quickly than ammonia gas. a. true b. false

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on repeated experimentation with similar

Rabbits introduced into Australia over 100 years ago have become a serious pest to farmers. Rabbit populations increased so much that they displaced many native

What Confederate capital was only about 100 miles from Washington, D.C.? A) Richmond, Virginia B) Lexington, Kentucky C) Atlanta, Georgia D) Baltimore, Maryland

A rectangular price tag has an area of 30 square centimeters and a perimeter of 26 centimeters. What are the dimensions of the price tag? _____ centimeters by