ange4lbenalmj ange4lbenalmj
  • 19-03-2017
  • Mathematics
contestada

The total age of diana, carmen , and andrew is 45. diana is 21,and andrew is twice as old as carmen. how old is andrew

Respuesta :

Аноним Аноним
  • 19-03-2017
Diana's age=21 years
Carmen's age=x years
Andrew's age=2x years
21+x+2x=45
21+3x=45
3x=45-21
3x=24
x=24/3
x=8
2x8=16
Carmen is 8 years old and Andrew is 16 years old. Hoped that helps:)
Answer Link

Otras preguntas

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 are the organelles of a cone cell?
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
What are the organelles of a cone cell?
write a program in pascal to solve a quadratic equation
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
Peter jogged 96 yards in 40 seconds? What is his speed in feet per second?
what is E=m² the famous theory of albert einstien?
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
Name four behaviors that animals must use to survive