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Stephanie is x years old. Tobi is twice as old as Stephanie. Ulrika is 3 years younger than Tobi. The sum of all their ages is 52 years. Work out the value of x.

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Answer:

[tex]x=11[/tex]

Step-by-step explanation:

Stephanie is [tex]x[/tex] years old.

Tobie is [tex]2x[/tex] years old.

Ulrika is [tex]2x-3[/tex] years old.

[tex]x+2x+2x-3=52[/tex]

[tex]5x-3=52[/tex]

[tex]5x=52+3[/tex]

[tex]5x=55[/tex]

[tex]\frac{5x}{5} =\frac{55}{5}[/tex]

[tex]x=11[/tex]

Hi1315

Answer:

[tex]x = 11[/tex]

Step-by-step explanation:

Stephanie = x

Tobi = 2x

Ulrika = 2x-3

[tex]x + 2x + 2x + 3 = 52 \\ 5x - 3 = 52 \\ 5x = 52 + 3 \\ 5x =55 \\ \frac{5x}{5} = \frac{55}{5} \\ x = 11[/tex]

hope this helps

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