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

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

How many protons, electrons, and neutrons does an atom of iridium (Ir) have

mr.gilliam is 3 years younger than his wife.the sum of their ages is 95.how old is mr.gilliam

Mai spends 7 3/5 hours in school each day.. Her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes. The rest of

Taryn conducted a science experiment on saturation. She added sugar to sugar water solution at different intervals. The graph shows how much sugar was in the so

Which proposal was not part of President Johnson's efforts to end poverty in the United States? A. Project Head Start B. Volunteers in Service to America C. Foo

explain why bacteria in the soil are necessary in this ecosystem

Which of the following could be a nucleotide of DNA? deoxyribose + phosphate group + thymine deoxyribose + phosphate group + uracil ribose + phosphate group + t

Express 4x^2-25 as a product of two binomials.

What was the outcome of salutary neglect?

5 animals that live in the ocean