torrespenelope8 torrespenelope8
  • 10-09-2017
  • Mathematics
contestada

cody is twice as old as evan and seven years ago the sum of their age was 10. find the age of each boy now.

Respuesta :

Аноним Аноним
  • 10-09-2017
Let Cody be x years old now. and y be Evan's age now.

x = 2y

x -7 + y - 7 = 10

x + y =  24 
Substitute for  x = 2y:-

2y + y = 24

y = 8   

and therefore
 x = 2*8 = 16

Answer is Cody is now  16 and Evan is 8 
Answer Link

Otras preguntas

PLS HELP ASAP FOR BRAINLIEST!!
How many variable terms are in the expression 3x3y + 5xz − 4y + x − z + 9? (Input a numeric value only.)
1) Factorise 3x^2 + 5x + 2 2) Hence, solve x^2 + 5x + 2
solve the equation and show work 2 (f - 2) = 3 (2f + 5) -8
The figure shows the movement of a pedestrian as she walks from point B to point E. Write a formula for function d(t) for each section: BC, CD, and DE.
Help me please! This is urgent.
Alicia _______ mi hermana mayor
la revolución francesa párrafo que no sea de internet
There are 329,000,000 people in the United States. Elon musk has a wealth equal to $164,000,000,000. Could Elon Musk afford to give everyone $1,000? Explain you
How much gravitational potential energy is stored in a 2.0kg object that has been raised up to a height of 3.5m