SOLUTION: Pedro is three less than twice as old as his sister Sofia . John is four times as old as Pedro . Together their ages add up to 51 Which of these could represent Pedro's , Sofia's o

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Question 1176948: Pedro is three less than twice as old as his sister Sofia . John is four times as old as Pedro . Together their ages add up to 51 Which of these could represent Pedro's , Sofia's or John's age ?
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


Which of these...? Where are the answer choices?

One possible setup:

x = Sofia's age
2x-3 = Pedro's age (3 less than twice as old as Sofia)
4(2x-3) = 8x-12 = John's age (4 times as old as Pedro)