Question

5. Andrew and Ethan are brothers. Andrew is older. The sum of the ages of Andrew and Ethan is 30. If the product of their ages is 216, how old are Andrew and Ethan?

Answer 1

Answer:

I think your question is wrong....

Answer 2

let the age of andrew=x

and the age of Ethan =30-x

therefore:

(30-x)x = 216

30x-x^2 = 216

0 = x^2-30x +216

0 = x^2-18x-12x+216

0 = x(x-18)-12(x-18)

0 = (x-12) (x-18)

x=12or18

age of andrew= 18( as he is older)

age of ethan= 12

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