radomes.openskiesproject.org
adriannamj11
adriannamj11 adriannamj11
  • 27-02-2016
  • Mathematics
Answered

The ratio of girls to boys who participated in the quiz bowl was 7:5. There were 42 girls in the competition. How many boys participated?

Verified Answer :

olemakpadu
olemakpadu olemakpadu
  • 27-02-2016

girs: boys  = 7:5

42 : boys = 7: 5

42 : b = 7 : 5

42 / b  = 7 / 5  Cross multiply

b7  = 42 5

7b = 42 5

b = 42
5/7 = 6*5 = 30

boys that participated are 30.

Answer Link

Related Questions

Solve and then use estimation to make sure your answer is reasonable Jonas can read 24 pages in an hour Last summer he read for 1135 hours How many pages did Jo
What other agricultural technique was used to mitigate the pink bollworm from destroying Bt cotton cropsLink to the article if you need to reread itNonBt crops
Bibliophiles are people who collect
how many ways can 12 volleyball team members line up if the captain and assistant captain must be together
Is rain chemical or mechanical weathering
un bloque de madera de 20 N se jala con una fuerza maxima estatica de 12 N al tratar de deslizarlo sobre una superficie horizontal de madera cual es el coeficie
At an amusement park the probability that a child eats popcorn and cotton candy is 058 The probability that a child eats popcorn is 069 and the probability that
Which statement correctly describes the process that occurs in the thylakoid
Geoffrey is a lab technician and earns 965 per hour and works 40 hours a week Estimate Geoffrey s annual wages based on 50 weeks a 19300 b 13000 c 19000 d 15300
3 Daphne has a threeyearold daughter Analyze the parental responsibilities of educatingchildren through the continuum of developmental stages Based on this know