lavinia2907 lavinia2907

06-11-2015
Mathematics

contestada

in a group of 29 children, there are twice as many boys than girls. How may girls are there?

Respuesta :

06-11-2015

b + g = 29

b is boys
g is girls

also, another equation is

2g = b

Plug that equation into the first one, and we get:

2g + g = 29

3g = 29

g = 29/3 = 9.667

But there can't be 0.667 of a girl, so we have to round down to 9.

Your answer is 9 girls.

Answer Link

06-11-2015

There are (9 and 2/3) girls and (19 and 1/3) boys.

Answer Link

Otras preguntas

describe six common categories of product features and include an example of each

∠A=8x−8 ∘ ∠B=5x+25∘\qquad \greenD{\angle B=5x + 25^\circ} ∠B=5x+25 ∘

What is the slope of the line passing through the points (2.-3) and (4,3). Make sure you reduce your answer answer.

Identify 3 specific situations in which machines make work easier

help me plzzzzzzzzz! Which values from the given replacement set make up the solution set of the inequality? 2b–4≥2 ; {1,2,3,4} {1,2} {3,4} {1,2,3}

whats the fastest way to burn fat?

Which region has the warmest climate year round

tell me about freedom please

what rights were given to mant citizens in the english bill of rights

Which of the following should workers do to help StaySafe when working around silica dust? A. Avoid air monitoring or training programs offered by an employer.