Batman is 4 times Robins age. The sum of their ages is equal to 45. How old is Batman and Robin?

Question

Melody Massey

Mathematics

2 February, 23:38

Batman is 4 times Robins age. The sum of their ages is equal to 45. How old is Batman and Robin?

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Answers (2)

Know the Answer?

Eduardo · Answer 1

Let age of Robins=r

Then age of Batman = 4r

Sum of ages=45

r+4r=45

5r=45

r=9

Age of Robin = 9 years

Age of batman=4 (9) = 36 years

Answer: Robin is 9 years old and Batman is 36 years old.

Rubio · Answer 2

Robin is x Batman is 4x

sum is 5x and it equals 45

Robin is 9 (x) and Batman 36