The natural number , n is 30
Given;
GCF(n, 70) = 10
LCM(n, 70) = 210
We have that;
LCM(A,B) x GCF(A, B)= A x B
Then,
(n, 70) = n × 70 = 70n
10 × 210 = 2100
Equate the two expressions
70n = 2100
n = [tex]\frac{2100}{70}[/tex]
n = [tex]30[/tex]
Thus, the natural number , n is 30
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