20 miles/2 hours = 10 miles/1 hour, therefore her average speed is 10mph
The answer is 9900000000 (thats 8 zeros) What you do is you find 10^10 which is 10000000000 (ten zeros) and multiply that by 7.92 to get 79200000000 then you just multiply it by 1/8 to get the answer.
Answer:
is one
Step-by-step explanation:
its just one i know trust me