# As of 2015, there were 152 public nature reserves and national parks in the United States. How many nature reserves in the US and how many national parks, if there are 58 more reserves than parks?

As of 2015, there were 152 public nature reserves and national parks in the United States. How many nature reserves in the US and how many national parks, if there are 58 more reserves than parks?
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First way:
Solution:
152 - 58 = 94 reserves and monuments, without taking into account the difference (if equally)
94 : 2 = 47 parks
47 + 58 = 105 reserves
Second way:
Let x parks in USA
x + 58 reserves in the USA
write the equation:
x + (x + 58) = 152
x + x + 58 = 152
2x + 58 = 152
2x = 152 - 58
2x = 94
x = 94: 2
x = 47 - parks
47 + 58 = 105 reserves