hsksjfd hsksjfd
  • 25-05-2017
  • Mathematics
contestada

The ratio of boys to girls in a class is 4 : 5

a) What fraction of the class are girls
b) What fraction of the class are boys

Respuesta :

eliza154
eliza154 eliza154
  • 25-05-2017
the ratio is 4:5 so the class has been split up into 9 equal parts (4+5=9)

therefore -
a)4/9
b)5/9
Answer Link

Otras preguntas

Write a possible exponential function in y=ab^x form for the graph described below. -> Passes through the points (0,2) and (3,0.25).
Write an equation for the following and then solve. Twice a number is 8. Find the number.
Which is a compound? Sodium sea water carbon dioxide brass
What is the value of x in the equation 4(2x + 14) = 0? 9 7 -7 -9
A 12.2-g sample of X reacts with a sample of Y to form 78.9g of XY. what mass of Y reacted?​
Who developed a process of heating food to kill the germs that spoil it? Louis Pasteur Guglielmo Marconi Alexander Graham Bell Thomas Edison
lowest fraction of 5/7
an apple turning brown after being cut is an example of what type of change
5. Use the principle of stoichiometry to determine the amount of oxygen that is required to convert Glucose (C6H12O6) to CO2 and H2O a. Write a properly balanc
What type of sentence is My brother watched tv while I studied for my test