mmithelavage mmithelavage
  • 17-08-2017
  • Mathematics
contestada

Maggie's brother is 5 years younger than twice her age. The sum of their ages is 13. How old is Maggie?

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Cat516
Cat516 Cat516
  • 17-08-2017
Maggie is 9 years old. 9 minus 5 is 4 and 9 plus 4 is 13.
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lublana
lublana lublana
  • 02-09-2019

Answer:

6 years

Step-by-step explanation:

We are given that Maggie's brother is 5 years younger than twice her age.

Sum of their ages=13

We have to find the age of old Maggie.

Let Maggie's age =x years

Maggie's brother age=2x-5

Sum of ages=13

[tex]x+2x-5=13[/tex]

[tex]3x=13+5[/tex]

[tex]3x=18[/tex]

[tex]x=\frac{18}{3}=6[/tex]

Hence, Maggie's age=6 years

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