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8. By area, the former U.S.S.R. was the largest country, having 8.649x106 square miles of land. At this time Canada was the second largest country in the world. Canada has 4.797x106 square miles less area than the former U.S.S.R. How big is Canada in terms of land area?

Answer :

prhsmms

Answer:

Canada was 418.912 sq miles smaller than the USSR.

Step-by-step explanation:

Note: I don't know if this question required a calculator so I'll answer without one.

Symbols:

  • USSR area in sq miles = u
  • Canada area in square miles = c

u = 8.649×106

c = 4.797×106

x = how much less area

u = c + x

  • USSR area = Canada area + number of sq miles less

Math:

u = c + x

  • plug in values

8.649×106 = 4.797×106 + x

  • divide by 106 to get rid of the ridiculously large numbers.

8.649 = 4.797 + [tex]\frac{x}{106}[/tex]

  • subtract (use calculator or just traditional subtraction methods)

3.952 = [tex]\frac{x}{106}[/tex]

  • multiply both sides by 106 (use calculator or traditional methods)

418.912 = x

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