subject
Mathematics, 07.07.2020 06:01 Luciano4411

There are 7.4 billion people in the world. If the whole world were represented by a 30-person class: 14 people would eat rice as their main food. 12 people would be under the age of 20. 5 people would be from Africa. Answer these questions using the info above.1. How many people in the class would not eat rice as their main food? 2.What percentage of the people in the class would be under the age of 20? 3.Based on the number of people in the class representing people from Africa, how many people live in Africa?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
Volume of a cylinder with a radius of 13 in and height of 30 in
Answers: 1
question
Mathematics, 21.06.2019 17:00
How do i do this activity, is appreciated
Answers: 1
question
Mathematics, 21.06.2019 17:40
The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?
Answers: 2
question
Mathematics, 21.06.2019 18:00
1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need
Answers: 1
You know the right answer?
There are 7.4 billion people in the world. If the whole world were represented by a 30-person class:...
Questions
question
Mathematics, 20.02.2020 04:32
question
Mathematics, 20.02.2020 04:33
Questions on the website: 13722363