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

Why are Bacteria successful?

Why are some of carl linnaeus's classifications of organisms incorrect

Motown Records was started in 1960 by _____. Chuck Berry Bob Dylan Petula Clark Berry Gordy

Images at home that represent conduction convection and radiation

An example of exercises for someone who wants to improve sport or fitness related performance would be A. concentrics. B. yogametrics. C. eccentrics. D. ply

The endosymbiont theory proposes that eukaryotes evolved from a symbiosis between a prokaryote and a protocell. a. True b. False

Which 3 Comparisons are correct A 0.4 meter > 0.04 B 0.04 Meter >0.3 C 0.3 Meter < 0.3 D 0.5 Meter > 0.65 E 0.65 Meter >0.61 F 0.65 Meter <0.0

An object’s tendency to resist acceleration is measured by the object’s a. gravitational mass. c. gravitational field strength. b. inertial mass. d. weight.

Which of the following pairs share the same empirical formula? Select one: a. CH4 and C2H4 b. PbCl2 and PbCl4 c. N2O5 and NO2 d. C2H6 and C4H12

An individual can reduce the amount of risk associated with an investment program by using: a. an investment timer. b. asset allocation. c. a portfolio picke