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Alyssa is 12 years older than her sister, Bethany. The sum of their ages is 44. Find their ages.
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Answer:

Alyssa's age =Bethany's age +12

Alyssa's +Bethany's =44

A-b =12

A+b =44

Alyssa is 28

Bethany is 16

28+16 =44

28-16 =12

Age of Alyssa is 28 years old whereas Bethany's age is 16 years old

Let us consider Alyssa's age as a and Bethany's age as b.

As per the question, we get;

  • a=b+12

&

  • a+b=44

In equation 1, we can write as a-b=12

Now, subtract equation 3 from equation 2, we get;

a+b-a+b=44-12 ⇒ 2b=32 ⇒ b=16.

Now, put the value of b in equation 1, we get;

a= 16+12 = 28.

Hence, Alyssa's age is 28, and Bethany's age is 16.

What is the actual age?

Actual Age means the number of years that have elapsed since construction of an improvement was completed; also called historical or chronological age.

Is age a concept?

Age should be seen as a much more neutral attribute of Man as is the case today. The age concept has recently emerged in various fields among others, gerontological, psychological, futurological, demographic, legal, political and cultural contexts as an interest of research.

Learn more about age calculation, refer to:

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