drdurdana drdurdana

08-01-2015
Mathematics

Answered

at a school event there were 96 girls .the ratio of number of girls to the number of boys was 4:5
after some time some boys arrived and the ratio became2:3 .how many boys arrived?

Answer :

10-01-2015

144, 4:6 simplifies to 2:3, if you divide 96 by 2 you get 48, and 48 x 3 = 144

Answer Link

Other Questions

Write a balanced chemical equation for each electrolyte in the data table. You don't need to copy the equations for the first 2 electrolytes given in the Backgr

9. True or False: Termination is best understood as an event that takes place during the final treatment.A. TRUE B. FALSE 10. Which of the following types of

Suppose there are two functions [tex]f[/tex] and [tex]g[/tex], whose values are defined by the table below. Calculate [tex]f(Q)[/tex].[tex]\[ \begin{tabular}{|l

The chemical reaction equation of photosynthesis is shown here:[tex]\[ 6 \text{CO}_2 + 6 \text{H}_2\text{O} \rightarrow \text{C}_6\text{H}_{12}\text{O}_6 + 6 \t

When a contract is formed from a party's actions rather than the party's words, it is called a[n] ________ contract.

Where are you most likely to become the victim of a robbery, according to the UCR?a. In a convenience storeb. Within a residencec. In a bankd. On a street

Which part of the visual pathway is responsible for our daily biorhythms?A. superior colliculus B. visual cortex C. pretectal area D. suprachiasmatic nucleus

Which statement is true about the distance formula, [tex]d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}[/tex], when describing the distance along a line

Select all that apply.What are the functions of the midbrain?A. Reflex movements of the head, eyes, and body towards visual stimuli.B. Controls thirst and hunge

Select the correct answer.What is the solution to the problem expressed to the correct number of significant figures?[tex]\[ \frac{12.0}{7.11} = ? \][/tex]A. 1.

_______ are organic compounds that are a key source of energy.

Must a new substances be formed when you observe a chemical property? Explain.

why does molting occur?

Must a new substances be formed when you observe a chemical property? Explain.

why does molting occur?

What is one function of the smooth endoplasmic reticulum?

7x+17=7x-17 is this an identity, conditional or inconsistent equation

Janie bought 4 apples and 6 bananas. each apple cost $0.75, and each banana cost $0.60. Write an expression representing the total cost.

what times what equals -152 and when added equals 12

how could you separate items that are different densities?explain