Answer:
for 13 the answer is 1
Step-by-step explanation:
Explanation for 13: we know she drove 63 miles the first month, and 64 the second month. And it's obvious that 63 is one more than 64, so there's your answer. If you're still anxious, 64-63 is one
14) In the first 10 years of _'s job, she earned (how many) dollars. After she got a promotion on her 6th year, she earned (how many). How much more did she earn the 6th year than the first 5?