Question

Find the smallest value of a if 10a +5 is divisible by 3

Answer 1

HEY MATE!

HERE IS YOUR ANSWER:

Divisibility rule of 3 = Sum of all digits of the number should be divisible by 3.

So, 10a+5 should be divisible by 3.

Now, a can be 1 because , 10a+5=10+5=15

HOPE IT HELPED ^_^

Answer 2

Answer:

answer =5

Step-by-step explanation:

According to question

10× a+5÷3

10+5×a÷3

15x÷3

5