hollytork hollytork

05-06-2017
Mathematics

contestada

Tom is 10 years older then Carrie. 5 years ago, Tom was twice as old as Carrie. How old is Carrie?

Respuesta :

nafsaeatailii nafsaeatailii

05-06-2017

Let T be Tom's age and C be Carrie's age.
To form Equation 1
T = C + 10
T - C = 10
To form Equation 2
T - 5 = 2(C-5)
T - 2C = -5

Solving both equations, C=15 and T=25.
Carrie is 15 years old (Option D)

Answer Link

Аноним Аноним

05-06-2017

Carrie is 15 years old

Answer Link

Otras preguntas

Initially, workers in the shoe industry and the computer industry earn the same wage. Reductions in trade barriers give domestic consumers access to cheaper sho

which two men developed the steam engine?

Blue-green algae are colored prokaryotes that can be unicellular or can form colonies of cells, but they are not truly multicellular. This algae species is auto

A share of common stock has just paid a dividend of $3.00. If the expected long-run growth rate for this stock is 5 percent, and if investors require an 11 perc

I need help on find the mean, median, mode, or range

Why is the Northern Arctic glacier melting today? A. Global Warming. B. It is winter in the northern hemisphere and the temperature is colder. C. It is summer i

4. A meter has a resistance of 100 Ω and gives a full scale deflection when it carries a current of 25 μA. (a) What resistor, Rx, would you connect in parallel

Another carbon isotope has six protons and seven neutrons in its nucleus. What do you think this carbon isotope is called?

Gladwell's "Law of the Few" describes: Group think The power of a small group of people with a specific skillset to stimulate strong support The ease of persuad

A coin is to be tossed until a head appears twice in a row. What is the sample space for this experiment? If the coin is fair, what is the probability that it w

Q&A Education