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37 votes
37 votes
After 30 years,Kassim's age will be three times his age this year.How old is Kassim this year? ​

User Chris Barretto
by
3.0k points

1 Answer

18 votes
18 votes

Age Problem

Answer:

Kassim is
15 years old this year.

Explanation:

Let
k be Kassim's age this year.

Kassim's age after
30 years is
k +30. Also,
3 times the age of Kassim is
3k. We are told that after
30 years, Kassim's age will be
3 times as his age. So,
k +30 = 3k.

Solving for
k:


k +30 = 3k \\ k +30 -3k = 3k -3k \\ -2k +30 = 0 \\ -2k +30 -30 = -30 \\ -2k = -30 \\ (-2k)/(-2) = (-30)/(-2) \\ k = 15

User Jewel
by
3.0k points