molly9 molly9
  • 09-09-2015
  • Mathematics
contestada

Maggie's brother is 3 years younger than twice her age. the sum of their ages is 24. how old is Maggie?

Respuesta :

tals75 tals75
  • 09-09-2015
Let x be Maggie's age                    So Maggie's age is 9
Her brother's age 2x-3
Their total age is x+2x-3=24
Solve equation for x
3x=24+3
3x=27
3x/3=27/3
x=9
Answer Link

Otras preguntas

3/2 / 1/4 = n then n is between
HELP ASAPIf Kailee chooses a song to listen to at random, what is the probability that it will be a pop song? A)1/5 B)1/6 C)2/15 D)4/15
Which of the following is typically a result of learning? A. loss of hair and balding B. diminishment of vision C. improvement in coordination D. increase in mu
Which of the following elements has the highest electronegativity? A. Bromine B. Arsenic C. Germanium D. Selenium
Explain how just a change of one amino acid has such an effect in the body
What are the 6 elements of wether
Explain this statement: World War I was a new kind of war.
Relationship between multiplying and factoring
The ability to see the connection between the larger world and your personal life is what sociologist C. Wright Mills called
What are the main reasons why excess weight affects physical fitness? 1.The heart has to pump harder. 2. It is more difficult to exercise. 3. The person sweats