christinamurill christinamurill
  • 20-05-2018
  • Mathematics
contestada

if 40% of the students in the class are boys , and if there are 18 girls in the class , then how many students are in the class?

Respuesta :

nehniece
nehniece nehniece
  • 20-05-2018
30

60% were girls so you put this as a ratio

60/100= 18/x

You calculate x to determine the total number which would equal 30.
Answer Link

Otras preguntas

the diagram shows point R(4,3) lying on a straight line PQ
What are the downsides of overpopulation? Suggest solutions.
raise q to the 9th power, then add the result tobr
what eqauls to 31.25
Pls help being timed
South africa's first universal election in 1994 resulted in the election of __________ as president.
Describe how you will ensure adequate liquidity to cover anticipated expenses.
what is the units used to measure distances between parallels and between meridians
​the state government of dalmatia noticed that whenever its baseball team played a match in any of the local stadiums, the prices of tickets became too high. it
Simplify. 2x+7y+3x−4y A. 5x−11y B. 5x + 3y C. 5x + 11y D. 8xy