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11. How far, in centimeters, has the distance between North America and Africa increased since you were born? Multiply the rate by your age.
_________________ cm


12. How much has the distance increased during the average lifetime of 82 years?

__________________cm


13. How much closer were the continents when Columbus crossed the Atlantic in 1492?

_____________________cm

Respuesta :

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Answer:

11. (0.7in/yr)*(ft/12in)*19yr = 1.11 ft = 33.8 cm

12. (0.7in/yr)*(ft/12in)*82yr = 4.78 ft = 146 cm

13. (0.7in/yr)*(ft/12in)*527yr = 30.7 ft = 937 cm

Step-by-step explanation:

11. (0.7in/yr)*(ft/12in)*19yr = 1.11 ft = 33.8 cm

12. (0.7in/yr)*(ft/12in)*82yr = 4.78 ft = 146 cm

13. (0.7in/yr)*(ft/12in)*527yr = 30.7 ft = 937 cm

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