GenuineDefault101 GenuineDefault101
  • 20-05-2020
  • Mathematics
contestada




The ratio of boys to girls in a group is 5:1. If there are 60 more boys than girls, work out how many people there are in total.

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 20-05-2020

Answer:

The number of boys: a

The number of girls: b

=> a/b = 5

   a - b = 60

=> (b + 60)/b = 5

=> b + 60 = 5b

=> 4b = 60 => b = 15 => a = 5 x 15 = 75

=> Total people:

T = a + b = 15 + 75 = 90

Hope this helps!

:)

Answer Link

Otras preguntas

write a program in pascal to solve a quadratic equation
What are the organelles of a cone cell?
2 m3 of soil containing 35% sand was mixed into 6 m3 of soil containing 15% sand. what is the sand content of the mixture?
write a program in pascal to solve a quadratic equation
I am a number between 500 and 600. My Ones digit is 5. My tens digit is the difference between my ones and hundreds digits. Who am i
Peter jogged 96 yards in 40 seconds? What is his speed in feet per second?
I am a number between 500 and 600. My Ones digit is 5. My tens digit is the difference between my ones and hundreds digits. Who am i
what is a rational number between -1/6 and -2/6
Ned weighs 1.5 times as much as Jill and Tom weighs 15 kilograms more than Jill. If their combined weight is 190 kilograms, how much does each person weigh?
Name four behaviors that animals must use to survive