damonjones24 damonjones24

16-11-2019
Mathematics

contestada

Charles is
15 years older than his sister Barbara. In
12 years, he will be twice as old as Barbara. How old is each of them now?

Respuesta :

staradivago31 staradivago31

16-11-2019

Answer:

Charles = 18

Barbara = 3

Step-by-step explanation:

Currently

Charles: x+15

Barbara: x

In twelve years

Charles: x+27

Barbara: x+12

Equation - Charles's age in twelve years will be double Barbara's age in twelve years. Using the information about, create the equation

x+27=2(x+12)

x+27=2x+24

x=3

Answer Link

Otras preguntas

Peter jogged 96 yards in 40 seconds? What is his speed in feet per second?

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?

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?

What are the organelles of a cone cell?

Name four behaviors that animals must use to survive

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?

Name four behaviors that animals must use to survive

what is E=m² the famous theory of albert einstien?

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?

Name four behaviors that animals must use to survive