If the number 52,1n9, where n represents the tens digit, is a multiple of 3, then the value of n ...
If the number 52,1n9, where n represents the tens digit, is a multiple of 3, then the value of n could be which of the following?
Answer/Solution
1
Steps/Work
Maybe you are misreading the question but it is saying that 52,1n9 is a multiple of 3 and not necessarily n is a multiple of 3.
The sum of the digits 5 + 2 + 1 + n + 9 must be a multiple of 3
17 + n must be a multiple of 3
substituting the numbers n must = 1
ANSWER:D
The sum of the digits 5 + 2 + 1 + n + 9 must be a multiple of 3
17 + n must be a multiple of 3
substituting the numbers n must = 1
ANSWER:D