The answer I believe is -3x + 20-9x+16
Answer:
24
Step-by-step explanation:
I hope this helps you
t=r/r-3
t. (r-3)=r
t.r-3t=r
t.r-r=3t
r (t-1)=3t
r=3t/t-1
Answer:
where 
denotes number of drinks and 
denotes number of pastries.
Step-by-step explanation:
Let denotes number of drinks and denotes number of pastries.
Cost of the average drink = $4.50
Cost of the average pastry = $2.25
Total amount = $5,250
Therefore,
Answer:
21%
Step-by-step explanation:
just amount they spend divided by amount they earned
