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21 June, 12:57

The Greenland shark is thought to be the longest-living vertebrate on earth. Early estimates of its maximum age were based on the fact that such sharks grow in length only about a centimeter per year, and yet an adult shark can reach a length of 15 feet. Estimate how long an 11 foot shark might have lived. (A newborn shark is about 1 foot long.)

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  1. 21 June, 16:47
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    The shark might have lived for 305 years

    Step-by-step explanation:

    - Lets explain how to solve the problem

    - The Greenland shark is thought to be the longest-living vertebrate

    on earth because its maximum age were based on the fact that

    such sharks grow in length only about a centimeter per year

    - We want to estimate how long an 11 foot shark have lived

    ∵ The age of the shark depends on the length of it

    ∵ The newborn shark is about 1 foot long

    ∵ The adult shark is 11 feet long

    ∴ The shark increased by ⇒ 11 - 1 = 10 feet

    ∵ The sharks grow in length only about 1 centimeter per year

    - Lets find how many centimeters in 10 feet

    ∵ 1 foot = 30.48 centimeter

    ∴ 10 feet = 10 * 30.48 = 304.8 centimeter

    ∵ The sharks grow 1 cm per year

    ∴ The age of the shark = 304.8/1 = 304.8 years ≅ 305 years

    ∴ The shark might have lived for 305 years
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