choypuma choypuma
  • 13-01-2019
  • Mathematics
contestada

The ratio of boys to girls at a summer camp 3:5. If there are 27 boys,how many girls are there ?

Respuesta :

lifestyle743
lifestyle743 lifestyle743
  • 13-01-2019
maybe 45 because 3×9=27 and 5×9=45
Answer Link
gmany
gmany gmany
  • 13-01-2019

[tex]g-number\ of\ girls\\\\3:5=\dfrac{3}{5}\\\\The\ equation:\\\\\dfrac{27}{g}=\dfrac{3}{5}\qquad\text{cross multiply}\\\\3g=(27)(5)\qquad\text{divide both sides by 3}\\\\g=(9)(5)\\\\\boxed{g=45}\\\\Answer:\ \boxed{45\ girls}[/tex]

Answer Link

Otras preguntas

-5n 7 -4 3n simplified
If the sperm gamete that fertilizes an egg has a(n) _____ chromosome, it will form female offspring.
which are examples of the roles of the popes and patrons of the arts in restoring the city of rome?
How does electrical forces act on a maglev train
The first political parties to develop in the united states were?
Which form of natural selection on polygenic traits results in the creation of two distinct phenotypes? A. Directional selection B. Disruptive selection
What fruit has the most vitamins?
Which statement correctly defines the structure of the iambic pentameter meter? -A line of iambic pentameter contains four feet, with the unstressed syllable fo
compare the charges and masses of protons neutrons and electrons
Please Help! I've been waiting for a while!! How many solutions does the equation have? 5x + 3 = 2(x + 3) - 3(2 - 2x)