Using the principle of proportional relationship, the time taken by the turtle to walk one mile is 2.1667 hours
Creating a system of proportional expression :
1.5 miles = 3.25 hours - - - - (1)
1 mile = t hours ----(2)
Cross multiply :
1.5t = (3.25 × 1)
1.5t = 3.25
Divide both sides by 1.5
t = (3.25 ÷ 1.5)
t = 2.1667 hours
Therefore, the time taken per mile is 2.1667 hours
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