Step-by-step explanation:

Well, a ratio can be like a fraction. So, we find 2/3 of 52.2 which is 34.8.So, the sum is
34.8+52.2=87
<span>Hope it Helps. :)</span>
Step-by-step explanation:
take into 2 sections
-5<a-4 and a-4<2
-1<a and a<6
therefore it should be the 2nd one
Answer:
The constant of proportionality is 490
The jet will take 12 hours to travel 5,880 miles
Step-by-step explanation: The miles multiply by 490 each time.
490 x 12 is 5,880