butterflylovegp5jyzr butterflylovegp5jyzr
  • 14-03-2018
  • Mathematics
contestada

at the park, 4/7 of the children are boys. if there are 8 boys at the park, how many are girls?

Respuesta :

Аноним Аноним
  • 14-03-2018
There are 4/7 boys, so there are 3/7 girls.

Let the total number of children be x.

4/7x = 8
1/7x = 8 ÷ 4
1/7x = 2
3/7x = 2 x 3
3/7x = 6

There are 6 girls.
Answer Link
EmeanMachine
EmeanMachine EmeanMachine
  • 14-03-2018
6 because 4/7 boys means a ratio of 4:3, so twice 4 to make 8 means twice 3 to make 6.
Answer Link

Otras preguntas

C was created to work with UNIX systems in1972, and would be the foundation for several other programming languages, including java.truefalse
What are some social and cultural impacts of social emigration
Could you tell me how to display this in a graph please I’m sorry I could only give 10 points but I will answer a question if yours
Eric has twice as much money as Marcia, who has $175 less than Laurel. But Laurel has as much money as Eric and Marcia have together. How much money does each p
Rectangle BCDE is similar to rectangle WWXY. What is the length of side VY? A1/7 B2/7 C3/7 D4/7
Combine the like terms to create an equivalent expression. 9y+y
Who built the pyramids of giza and why?
How did the ideas of the enlightenment influence the united states constitution and the bill of rights?
Need help, this is the last question before I am done with the class. I am on a time limit!! Use complete sentences to differentiate between acids and bases on
A line has a slope of 1 and a y-intercept of -2. What is an equation that could represent this line?