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MAXImum [283]
3 years ago
14

there are a total of 122 countries in Africa, Europe, and North America. Europe has twice as many countries as North America, an

d Africa has seven more than Europe. How many countries are in each continent? write an equation and solve it to answer the question
Mathematics
1 answer:
lana66690 [7]3 years ago
8 0
E = 2N

A = E +  7 = 2n + 7

n + 2n + 2n +7 = 122
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