Answer:
30
Step-by-step explanation:
8 plus 12 is 20
20 divided my 4 is 5
5 plus 5 is 10
6 minus 3 is 3
10(from the first half) times 3(from the second half) is 30
Answer:
197.5 mph.
Step-by-step explanation:
If flying with wind a small plane flew at 410 miles and 380 miles then the next step is to divide both speeds by two. This way you get the mph. So now it is 205 mph and 190 mph. Now we find the average of these two numbers and you get 197.5 mph.
Answer: 20-10
Step-by-step explanation: 486-466 is 20. Half of 20 is 10. Any expression that equals ten is 1/2 as large as 486-466.