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

List several evils that the reformers of the period 1820-1860 tried to eliminate

How does diet and exercise affect blood lipid levels?

Oppression based on gender is called _____. A. sexism B. racism C. anti-Semitism D. classism

Using the Quadratic Formula, which of the following is the solution to the quadratic equation 5x2 + 10x - 5 = 0? x = -1 -√2, x = -1 + √2 x = -1 -√5, x = -1 + √5

An Indy car driver has to be a certain height to fit into the race car. The following inequality 175<_3x-17<_187, where x represents the height of the dri

Did the hittite soldiers use the alphabet in their battles to capture babylon

After Lincoln won the 1860 presidential election, this event happened next Question 18 options: South Carolina seceded from the Union fearing Lincoln’s views

A person with a body mass index of 26.5 is classified as

The majority of the body's magnesium is found in the

A relation is a function if _____. there is exactly one input for each output there is exactly one output for each input there is more than one input for each o