Step-by-step explanation:
8. 1/2 9. 50% or 1/2
Answer:
130
Step-by-step explanation:
4*5+10(11)
20+110
130
Enjoy!
Remember the divisibility rule for 9. The sum of the digits of the number must be divisible by nine.
Let the digit be

. Then

has to be divisible by nine. Recalling that

, we note that

.