Answer:
Oiling the chain will cause less friction between the gears and the chain. The bike was most likely had to pedal because more force was needed due to the friction caused between the chain and gears.
Step-by-step explanation:
Hope this helps :)
you have it right 5 is 1 you just divide it by 10 again but for #7 and 10 its 8 over 10 and 6 over 10 cause its not in the 10s yet hope i helped
6
bc i know