7 dollars
if 2 pears and 6 apples is 14
and 3 and 9 is 21
2x7 is 14
3x7 is 21
it's like your doubling the amount each time you add...
=1/2
you add both on each side then subtract 2 from you anser
Answer: 6,520 miles per year
Step-by-step explanation:
They had driven the car for 53,790 miles in 8.25 years.
The average number of number of miles driven per year is:
= 53,790 / 8.25 years
= 6,520 miles per year
<em>They drove an average of 6,520 miles per year.</em>