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

What is the name of the captain of the musketeers

Which description best fits the graph? Negatively Skewed Positively skewed Normal distribution

a rectangular plot of ground is 30 meters longer than it is wide. its area is 15,00 square meters. what equation will help you find the dimensions?

who made the lewis dot structure

how many courts of appeals are in the federal judicial system

Si furess estudiante en Costa Rica estudiar inglés no sería obligatorio sino opcional

What is a form of intrinsic motivation? POW! SPAM TARGET WIIFM

How have presidents used their position to increase the power of the office?

By titling his story babylon revisited f scott fitzgerald is metaphorically comparing which two things

In babies born prematurely, pulmonary surfactant may not be present in adequate amounts ______. in babies born prematurely, pulmonary surfactant may not be pres