joannadegro
joannadegro joannadegro
  • 02-03-2017
  • Mathematics
contestada

The ratio of girls to boys in the geography bee was 5 to 4. There were 36 total students. How many were boys?

Respuesta :

H1a2r3s4h5 H1a2r3s4h5
  • 02-03-2017
Girls:boys=5:4
So girls=5x
Boys=4x
total students=36
5x+4x=36
9x=36
x=4
So girls are=5x=5×4=20
Boys are=4x=4×4=16
Answer Link

Otras preguntas

What did Alexander Hamilton do so that the country was more secure
Write a program that produces the following output:CCCCCCCC + +C +++++ +++++C + +CCCCCCC
In the Summa Theologica St Thomas aquinas sought to ___ A.refute Aristotelian philosophy B. Synthesize platonic idealism with Christianity C. Reconcile faith
25- (3x + 5) = 2(x+8) + x how do you do it step by step?
News about the airport closing spread from the public safety manager to the deputy directors to members of airport security to aircraft rescue personnel to admi
hotdogs come 10 to a package, and buns come 8 to a package. if an equal number of hotdog buns are wanted for a picnic, what is the minimum number of each that c
Help asap please!!!!!!
osmosis involves which of the following processes? A. movement of water up a concentration gradient B. movement of solute up a concentration gradient C. movemen
Find a solution to y'(t) = te^-t satisfying the condition y(1) = 1.
From goal line to goal line, a football field is 300 ft long. If a player catches the ball while standing on one goal line, runs to the other goal line, and sco