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?
1 answer:
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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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