Answer:
option c is the correct answer
The better deal is the 21-ounce one because its unit rate equals less than the 17-ounce one
2450 miles / 35 inches = 70 miles / inch
(big freaking map!)
Find the answer for 15:
462,371 * 10 = 4,623,710
(millions place)
Find the answer for 16:
How many hundreds to make a thousand?
10! because 371 * 10 = 3,710
(10 times)