Answer:
A
Step-by-step explanation:
The answer for this problem is 125
So what are u trying to say here. She read in 1/20 of what, minutes, seconds, or what
<span>Uphill distance = 1 4/5 = 9/5 = 18/10 km
Downhill Distance = 2 7/10 = 27/10 km
Total Uphill and Downhill = 18/10 + 27/10 = 45/10 = 4.5 km
Hence total level ground = Total race km - (Uphill + Downhill)
=10 - 4.5 = 5.5 km
Hence the answer is 5.5 km.</span>
It is undefined when the denominator is 0