alonso032499 alonso032499
  • 25-06-2017
  • Mathematics
contestada

Jack is 2 times as old as Lacy. 7 years from now the sum of their ages will be 35 . How old are they now?

Respuesta :

majdiShokri
majdiShokri majdiShokri
  • 25-06-2017
Assume the old of Jack is X and the old of Lacy is Y 
so ... 
do the mathematical model ...
.
X=2Y
(X+7)+(Y+7)= 35 
-
THEN 
Solve the equation 
y= 7 
x = 14 
Answer Link

Otras preguntas

Which statement illustrates the distributive property? Please help
Rio grande river separates what Texas city from Mexico starts with E
How do you tell if an equation is linear or not????
Water on each side of a divide flows in...
What is a major city in Alaska that starts with F
What is a major city in Alaska that starts with F
What is 36 percent as a decimal?
Pyrenees mountains border Spain and this European country starts with F
Which statement illustrates the distributive property? Please help
How do you tell if an equation is linear or not????