Answer:
−
+
3
+
4
−
1
2
Step-by-step explanation:
There must be something wrong with the first entry, it is clear that for the 3 latest numbers the recursive formula is:
a(n +1) = a(n) - 2
Answer:
1 minute and 40 seconds or 1 2/3 minute
Step-by-step explanation:
If it took Scott 2 miles for 5 minutes, than it took him 2.5 minutes to do 1 mile. For 3 times as fast, we need to divide by 3. 2.5/3= 5/2*1/3=5/6. It is 2 miles, so 5/6*2=10/6=5/3=1 2/3 minute. 2/3 minute=40 seconds. So, the answer is 1 minute and 40 seconds or 1 2/3 minute.
