Answer:24 cm
Step-by-step explanation:
every 14 hours 2.8 cm gets worn down so
divide it and you get .2cm/hr so will be 24 cm
Answer:
n
the answer is -60, which is not an option
12.5
put them in order from least to greatest: 11, 11, 12, 12, 12, 13, 13, 14, 15, 16
the middle is 12 and 13 so you do 12+13 then divide by 2
to get 12.5
hope this helps
65
