A father is five times as old as his son. In fifteen years he will be only twice as old. How old is the father at present?

A.
40
B.
35
C.
30
D.
25
Mathematics
Competition
Math League
Exam No:2018 First Round Grade 5 Year:2018 Question No:39

Answer:

D

Knowledge points:

G5 - Algebra - Translating Words to Expressions

Solution:

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