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a tree measured 12 1/2 feet tall. over the next 5 1/2 years it grew to be 51 feet left. During 5 1/2 years, what was the average yearly growth rate of the tree?

Respuesta :

mhanifa

Answer:

  • 7 feet per year

Step-by-step explanation:

Average growth rate is the difference in growth over the period of the time:

  • (51 - 12 1/2) ÷ 5 1/2 =
  • (102 - 25)/2 ÷ 11/2 =
  • 77/2 × 2/11 =
  • 7 feet / year

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