crisgonzaleznad1 crisgonzaleznad1
  • 01-11-2017
  • Mathematics
contestada

a number that is divisible by 2, 3, and 5 will ALWAYS be divisible by ____
a: 25
b: 60
c:30
d: 75

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chi3fcomm5nd
chi3fcomm5nd chi3fcomm5nd
  • 01-11-2017
since a number is divisible by 2 and 3 and 5 it can be written as 2*3*5*x=num where x is a natural number
a number is only divisible by a number if they share the same prime divisors so the numbers that will always be divisible by that number are:2,3,5,2*3:6,2*5:10,3*5:15,2*3*5:30 C)30 which is the correct answer
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