pandasquishy11 pandasquishy11
  • 21-01-2015
  • Mathematics
Answered

60% of the class are girls.there are 18 girls
- how many students are there in the class?
- how many boys are there?

Answer :

nate81 nate81
  • 21-01-2015
So if 18=3/5 which is 60% then we find x times .6= 18 so x=30 and in a 30 person class, 18 are girls, 12 must be boys
Answer Link

Other Questions

What is mCDJ Im not sure what it is
Explain how mRNA contains information from a gene Points 3 RNA polymerase cuts out a section of the DNA RNA is made from DNA using basepairing rules DNA polymer
How do you put this in an equation The number of checkers is 24 times the number of checkerboards
How do I Solve 12x 13 9
Classify the triangle based on side lengths 5 7 and 8 A right B Acute C obtuse D no triangle can be formed with given side lengths
A bowling ball rolls off the edge of a cliff moving horizontally at 20 ms I have to plot the position of the bowling ball on an x y axis for every one second X
Which object absorbs the most colors of light A an orange ceramic cup B a gray stone C a black roof D a white Tshirtcan someone please help me
How do I solve this equation 3132t15
Explain how science can help people save resources such as coal
Explain how energy is transferred in a food web