A woman a walked 12km at 3km/hr and cycled 18km at 9km/hr. what is her average speed for the whole journey.
1 answer:
You might be interested in
Answer:
The item costs $900 after the 90% off.
Step-by-step explanation:
After the 90% off discount, the item costs (100% - 90%) the cost of the original price.
Hence,
Hope this helped!
