Age multiples at two points in time (two linear equations): present ages

1. A.
   45
2. B.
   35
3. C.
   40
4. D.
   30

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1. A.
   28 years
2. B.
   20 years
3. C.
   22 years
4. D.
   25 years

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1. A.
   45; 15
2. B.
   40; 10
3. C.
   42; 12
4. D.
   50; 20

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1. A.
   77
2. B.
   49
3. C.
   72
4. D.
   69

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1. A.
   4 years and 12 years
2. B.
   12 years and 4 years
3. C.
   5 years and 15 years
4. D.
   15 years and 5 years

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1. A.
   $2 : 7$
2. B.
   $7 : 2$
3. C.
   $7 : 3$
4. D.
   $3 : 7$

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1. A.
   $2\frac{1}{4}$ times
2. B.
   $2\frac{3}{7}$ times
3. C.
   $2\frac{3}{4}$ times
4. D.
   $3\frac{2}{7}$ times

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1. A.
   65
2. B.
   60
3. C.
   50
4. D.
   55

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1. A.
   17
2. B.
   15
3. C.
   21
4. D.
   30

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