anonymous
  • anonymous
Sarah is 6 years older than 3 times the age of her son Tom. The difference in sarah age and Tom's age is 28 years. A. Write an equation using the information given? B. How old are Sarah and Tom
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
anyone help?
anonymous
  • anonymous
Its Algebra I guess and i need to do it for hw can anybody help please c:
anonymous
  • anonymous
hmm anyone have a clue?

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anonymous
  • anonymous
ill help just give me a minute to work it out
anonymous
  • anonymous
okay c:
anonymous
  • anonymous
gimme 5 minutes im asking my teacher
anonymous
  • anonymous
oh ok
anonymous
  • anonymous
There are two statements about the ages. That means there are TWO equations. Let S be Sarah's age and T be Tom's age. Then: S = 6 + 3T .... "Sarah is 6 years older than 3 times the age of her son Tom" |S - T| = 28 .... "The difference in Sarahs age and toms age is 28 years" Since you know from common sense that Sarah is older than Tom, you can drop the absolute value bars and have two equations in two unknows. The second is now: S - T = 28 .... which you can rewrite as: S = T + 28 .... and use this to subsitute for S in the first equation: (T + 28) = 6 + 3T T + 22 = 3T .... subtracted 6 from both sides 22 = 2T .... subtracted T from both sides T = 11 .... divide both sides by 2, and put the variable on the left Tom is 11 years old. Sarah's age is 6+3T = 6 + 3(11) = 6 + 33 = 39 years.
anonymous
  • anonymous
so sarah is 39 years old?
anonymous
  • anonymous
yes and tom is 11
anonymous
  • anonymous
thanks so much c;
anonymous
  • anonymous
ur welcome :)
anonymous
  • anonymous
just ask if u have any problems in math
anonymous
  • anonymous
i need to do a lot of these tyoe of problems for math and its super hard
anonymous
  • anonymous
its pretty easy once u find the equation and yes i have some problems in math but i manage to get threw them haha what grade r u in?
anonymous
  • anonymous
like 9 th
anonymous
  • anonymous
i am too haha its hard huh?
anonymous
  • anonymous
soorta
anonymous
  • anonymous
u will get it soon enough haha i homeschool and i manage to get through it
anonymous
  • anonymous
S = T(3) + 6 S - T = 28 the age difference 28 x's 3 + 6 = S S stands for Sara T stands for Tom
anonymous
  • anonymous
i kinda already said that in the last message :D
anonymous
  • anonymous
oh my bad, i didnt see that
anonymous
  • anonymous
lol its totally fine :)

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