Math, asked by 22schaeju, 1 year ago

Mark is 4 years older than Frank. Frank's age is 4/5 Mark's age. What are their ages?

Answers

Answered by chubbz
0

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22schaeju: is that even considered an answer....?
Answered by brunoconti
2

Answer:

Step-by-step explanation:

let x be Mark's age and let y be Frank's age. We have:

x = 4 + y and y = 4x/5, then

x = 4 + 4x/5

5x = 20 + 4x

x = 20 and y = 16.

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