gconrad190 gconrad190

02-11-2018
Mathematics

contestada

n a classroom of 33 students, the ratio of boys to girls is 3 : 8. How many boys are in the class?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-11-2018

3 boys + 8 girls = 11 students

3 boys/ 11 students = x boys /33 students

using cross products

3 * 33 = x*11

divide by 11

99/11 = x

x=9

There are 9 boys

Answer Link

Otras preguntas

Which of these is another name for mechanical weathering? A. erosion B. deposition C. disintegration D. decomposition

William Shakespeare is one of the most famous writers in the world. What is the verb?

what does employ mean

What is the value of this expression (11-t) x[(15+t)/t]

Which countries have large populations of Protestants? England Germany Scotland Ireland Italy

Why did Andrew Jackson oppose the national bank? A.He felt it fostered the agricultural economy. B.He felt it undermined the rights of states. C.He felt it had

What is the structure of the sentence? Isla held the microphone and sang for the crowd. a. complex b. compound-complex c. compound d. simpleHelp Meh Please

One student did an experiment with sea water. The steps of the experiment are shown below. Heat 0.5 liters of sea water in a beaker. Observe the sea water boil

what geographical features are shared by all four ancient Chinese empires

If you see a diseased plant, it is most likely in the _____ stage of its life cycle. a. adult B: death C: growth D: beginning