Answer: 6 times.
Step-by-step explanation:
Given: Ivan earns $8 every time walks his neighbor's dog.
To earn $81, the number of times he need to walk
Therefore, the number of times he need to walk=11
If he already walked the dog 5 times.
Then he need to walk the dog =11-5=6 times
Hence, Ivan need to walk the dog 6 more times to earn $88.
Answer:
8. 14 for the third question.
9. 18 for the forth question.
the third and forth orange equations.
the sum and product of two rational number