Tricia809 Tricia809
  • 11-06-2014
  • Mathematics
contestada

Rex is four times as old as Ted. If the sum of their ages is 30, how old is Ted?
A: 5
B: 8
C: 10
D: 6

Respuesta :

jakehambleton jakehambleton
  • 12-06-2014
D:6 as 4x6 is 24 so add them, gives you 30
Answer Link
Аноним Аноним
  • 14-06-2014
[tex]t-Ted\\4t-Rex\\\\t+4t=30\\5t=30\ \ \ /:5\\t=6\\\\Answer:D[/tex]
Answer Link

Otras preguntas

what  is the fraction of 0.02 as a mixed number and simplified
The expanded form for 1,070,070
Jika log2= 0,3010 log3= 0,4771 maka log (3√2x√3) =
find the rate and unit rate of $7.96 for 5 pounds
what gas makes up close to one fourth of the air surrounding the earth
a banker has forgotten the combo to a Safe the number got four digits all the numbers are different it start and end with odd numbers and the middle numbers ar
which is greater 3.5x104 power or 2.1x106 power
What is the GCF of 32 24 40
Simplify 5x-3y+2x-4y Expand 5(2x+4) Expand and simplify 4(3-2x)-4+5x Expand and simplify (x+4)(x-7) Expand and simplify (3x-3)(2x-5)
how did scientific advancements affect geographical knowledge