A 3-digit number ‘cba’ is divisible by 3 if ____.
A a + 2b + c is divisible by 3
B 2a + b + c is divisible by 3
C a + b+ 2c is divisible by 3
D a + b+ c is divisible by 3
A 3-digit number ‘cba’ is divisible by 3 if ____.
A a + 2b + c is divisible by 3
B 2a + b + c is divisible by 3
C a + b+ 2c is divisible by 3
D a + b+ c is divisible by 3