In four hours, he drives: = 252
So, Unit rate = 252/4 = 63 mph
In seven hours, it would be = 63 * 7 = 441 miles
Hope this helps!
The answer is 92,776 because 10 times as much as 70 is 700 which gives the answer for the hundreds position.
Answer:Y=8,-5
Step-by-step explanation: