Answer:
<em>Colin spends 1/8 of an hour practicing each song</em>
Step-by-step explanation:
Colin's piano lesson is 3/4 of an hour, long.
In that period, he practices 6 different songs, spending an equal amount of time on each one.
This means that each song gets the sixth part of the lesson duration. The fraction that expresses that amount is:

Colin spends 1/8 of an hour practicing each song
Answer:
4
Step-by-step explanation:
a+16=20
a=20-16
a=4
The answer is 8 2/4.
(ignore this part because i just need more words lol)
Answer:
how many floors the elevator goes down per unit of time
Step-by-step explanation:
not sure what the unit of time is but its seconds or minutes im pretty sure it doesnt say
Answer: 
Step-by-step explanation:

a=2
b=-9
c=5




