Aundrea942 Aundrea942

20-05-2014
Mathematics

Answered

At a country concert, the ratio of the number of boys to the number of girls is 2:7. If there are 250 more girls than boys, how many boys are at the concert?

Answer :

soniaagarwal09 soniaagarwal09

20-05-2014

Boys : Girls = 2:7
let the no. of boys be x
so no of girls = 250+x
so, x:(250+x) = 2:7
x/(250+x) = 2/7
7x = 500+2x
7x-2x = 500
x = 500/5 =100

Answer Link

Other Questions

Which word parts do you need to build a medical word that means "one who specializes in blood and the study of it"?A. -logy, hem/o-, log/o-B. -ist, hemat/o-, lo

1. Hamlet's conversation with Fortinbras inspires the soliloquy that follows it.A. True B. False

Which equation is correct?Options:1.) sin G = 15/172.) sin G = 8/153.) cos G = 8/154.) sin G = 15/17

Which mechanism is responsible for sustained depolarization ofan action potential?

Expansionary fiscal policy is intended to: A) Decrease ADB) Decrease SRAS C) Increase AD

Jackson sought to both reduce the power of the national government and to assert its supremacy.A. TrueB. False

An object in motion will eventually slow down unless a force is exerted on it, keeping it in motion.a. Trueb. False

To summarize the results of a one-way between-subjects ANOVA test, we report the test statistic, the degrees of freedom, and the p value.A. TrueB. False

What is the equation of a line parallel to the line [tex]$y + 5 = \frac{7}{5}(x - 16)$[/tex] that goes through the point [tex]$(14, 0)$[/tex]?[tex]\[ \begin{arr

2-Algunos refrescos contienen 11% en masa de azúcar, determinar cuántosgramos contendrá una botella de refresco de coca-cola con 600 gramos derefresco.

decrease £64 by 10 percent

Ending time: 10:08 A.M Elapsed time: 30 minutes

What is the price at which the quantity demanded by consumers will equal the quantity supplied by producers called? demand price supply price market price domes

Which of the following was a result of the Tea Act of 1773? Colonial merchants could not sell their tea. Colonial merchants could not get tea to sell. Colonial

adam use the three fractions to make a circle graph and colored each a different color.What fraction of the graph is not colored ? the three fractions are 3/12

Is religion a powerful force in the world today?

Which constitutional right did the Sedition Act violate? A. right to trial by jury B. freedom of religion C. right to bear arms D. freedom of the press

In communism, no one owns any private property. is it true

what is the scientific name for red blood cells

from the first 5 presidents whose actions were the most isolationist