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weqwewe [10]
3 years ago
9

Rocco has a garden and an oak tree. The oak tree is 15 times as old as the garden. The sum of their ages is 128 years. How old i

s each the garden and tree?
Mathematics
1 answer:
makvit [3.9K]3 years ago
3 0

9514 1404 393

Answer:

  • garden: 8 years
  • tree: 120 years

Step-by-step explanation:

Let g represent the age of the garden. Then the age of the tree is 15g. The sum of their ages is ...

  g +15g = 128

  16g = 128 . . . . . collect terms

  g = 128/16 = 8 . . . . divide by the coefficient of g

The garden is 8 years old; the tree is 120 years old.

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