Question

10. a. Melissa is four times as old as Jim. Pat is 5 years older than Melissa.
If Jim is y years old, how old is Pat?

Answer 1

Answer:

Start along with Jim's age, y, because he appears to be the youngest. Melissa is four times as old as he is, so her age is 4y. Pat is 5 years older than Melissa, so Pat's age would be Melissa's age, 4y, plus another 5 years. Therefore, 4y + 5.

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Answer 2

Answer:

Start along with Jim's age, y, because he appears to be the youngest. Melissa is four times as old as he is, so her age is 4y. Pat is 5 years older than Melissa, so Pat's age would be Melissa's age, 4y, plus another 5 years. Therefore, 4y + 5

y = 5-4

y = 1