fabeshoogran5ijahar fabeshoogran5ijahar
  • 10-04-2017
  • Mathematics
contestada

Four times marie's age minus twice lisa's age is -10. lisa is three times as old as marie. how old is marie?

Respuesta :

Humans27
Humans27 Humans27
  • 10-04-2017
Marie is 5 years old

4m - 2l = -10 ------- x
l = 3m ---------------- y

sub y into x
4m - 2(3m) = -10
4m - 6m = -10
-2m = -10
m = -10/-2
m = 5 years old
Answer Link

Otras preguntas

What moment contains the climax of "The Lottery"? A. The villagers gather for the drawing. B. Tessie accuses Mr. Summers of holding an unfair drawing. C
Who was considered Judaism’s greatest prophet?
What is 4 1/8 as a fraction greater than one?
If a person walks 2.4 miles in 10 minutes, how far can he walk in 1.5 hours?
Which sentence uses an article that points out a particular noun? a. My music teacher has a grand piano. b. That is my favorite color. c. My grandparents flew o
What moment contains the climax of "The Lottery"? A. The villagers gather for the drawing. B. Tessie accuses Mr. Summers of holding an unfair drawing. C
48 cookies; 25% decrease=?
Heather is trying to decrease the amount of toys that Oliver has. Originally, he had 55 toys in his room and now he only has 30. By what percentage did Heather
Is the function linear or nonlinear y=2x^2-4
Which of the following events motivated China to launch its Self-Strengthening Movement in the 19th century? a. its devotion to laissez-faire economic b. its ec