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

a test is worth 80 points.multiple choice questions are worth 2 points,and short-answer questions are worth 4 points.if the test has 25 questions,how many multi
Simply 2 x b x b x b x 4
the layer of earth that makes up the tectonic plates
X + 7 is smaller than 3????
Rafael counted a total of 40 white cars and yellow cars there were nine times as many white cause as yellow cars how many white cars did Rafael count
What number would complete the pattern 14 5 18 24 15 28 34
The word atom comes from a Greek word that means “able to duplicate”. Please select the best answer from the choices provided T F
What is the answer to P-15=13-6p
how many minutes are in 2 3/5 hours
The number of 84 can be expressed as the sum of 54 + 30. Which shows how to use the distributive property to rewrite that sum as a multiple of a sum whose adde