RomanaAdelman482 RomanaAdelman482
  • 15-07-2014
  • Mathematics
contestada

A sack contains red and blue marbles. The ratio of red marbles to blue marbles is 4:3. If there are 18 blue marbles in the sack, how many red marbles are in the sack?

Respuesta :

mariamikayla
mariamikayla mariamikayla
  • 15-07-2014
[tex]r:b=4:3 \\ \frac{r}{b}= \frac{4}{3} \\ \frac{r}{18}= \frac{4}{3} \\ r= \frac{18*4}{3} \\ r= 6*4 \\ r=24 \ red \ marbles[/tex]
Answer Link

Otras preguntas

Son las nueve menos veinte de la mañana. What’s this in Spanish ?
umm help me please, it’s review and i forgot how to do this :((
solve x=4y+2 x+y-2=6 by using elimination and substitution
In a criminal case, who is responsible for deciding on a sentence? judge jury executioner bailiff
What makes a complementary angle complementary?​
Which of the following is not among the three layers of the atmosphere? a. Stratosphere b. Troposphere c. Biosphere d. Ionosphere​
what civil war general was wounded by friendly fire on may 2, 1863, during the battle of chancellorsville, and died a week later?
how can I say I like you in Spanish
how many senators must vote for a motion of cloture?
find the area of this figure (50 points)