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There are 7,107 island in the philippines. Of these 2,107 more are named and unnamed . find the number of each. what is the equation?


Sagot :

Let:
7,107= total islands
(X)= unamed islands
(2,107 + X) = named islands

7,107 = (2,107+X) + (X)
7,107 = 2,107 + X + X
7,107 = 2,107 +2X
7,107 - 2,107 = 2X
5000=2X
X=[tex] \frac{5000}{2} [/tex]
X=2500

There are 4607 named islands and 2500 unnamed islands.
Let
7,107= total islands
x = unnamed islands
(2,107 + X) = named islands

7,107 = 2,107+ x + (x)
7,107 = 2,107 + x + x
7,107 = 2,107 +2x
7,107 - 2,107 = 2x
5000=2x
x=
x=2500

7,107 - 2,500 = 4,607

Therefore, there are 4607 named islands and 2500 unnamed islands.