SOLUTION: Janet Kim is now 13 years old. Her father, Jeong, is now 31. a.Write and expression for each person's age x years from now. b.Write and equation stating that Jeong is twice as

Question 107775This question is from textbook Prentice Hall Classics
: Janet Kim is now 13 years old. Her father, Jeong, is now 31.
a.Write and expression for each person's age x years from now.
b.Write and equation stating that Jeong is twice as old as Janet.
Then solve it to find when Jeong is twice as old.
c.When is Jeong three times as old as Janet?
d. Write an equation stating that Jeong is exactly as old as Janet.
When will this be true?
e. Write an equation stating that Janet's age is 18 years less than Jeong's age. When will this be true?
f. When will the sum of their ages be:
i. 85; ii.36?This question is from textbook Prentice Hall Classics

Answer by josmiceli(6784) (Show Source):
You can put this solution on YOUR website!
(a)Janet will be , Jeong will be
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(b)

In 5 years Janet will be 18, Jeong 36
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(c)

4 years ago, Janet was 9 and Jeong was 27
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(d) This is never true for any x
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(e)

So, right now Jeong is 18 y older than Janet
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(f)

Janet will be 33.5, jeong 51.5

4 y ago, Janet was 9 Jeong was 27