kingmikejones kingmikejones

13-11-2020
Mathematics

contestada

The ratio of red marbles to black marbles is 4:7. If the bag consists of 77 marbles in all, how many red marbles are in the bag?

Respuesta :

umairkazi924 umairkazi924

13-11-2020

Step-by-step explanation:

The ratio of red marbles to black marbles = 4 : 7

Total no. of marbles = 77

4x + 7x = 77

11x = 77

x = 77/11

x = 7

The no. of red marbles = 4x

= 4 × 7

= 28

Answer Link

Otras preguntas

I need help with these 2 ASAP

PLEASE HELP ME!!!which stage takes place before the one in the diagram above?A. metaphase 1B. metaphase 2C. telophase 1D. telophase 2

Which of the following statements BEST explains why ball-and-socket joints have the greatest range of motion? A. The contours of the two bones allow for maximum

which of the following was not a reason why labor unions were created?

BRAINLIST IF YOU HELP ME WRITE A WRITING PROMTWriting Prompt: How does the narrator’s changed perspective develop the theme of the story? Support your answer wi

What would happen if a very cold, large bolt were placed into a cup of warm water PLEASE HELP!!!! NEED ANSWER BY 3:00!!!! Brainliest answer will be given!!!!

Answer this quickly pls I need it today

hurry i need answer rn pls help dont be a goofy Using Figure 25-2, what type of star is Betelgeuse? 100 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

How did Douglass respond to Lincoln further delaying the emancipation proclamation?

Following World War II, the North Korean government mostresembled that of:A JapanB The Soviet UnionС The United StatesD South Korea