What's the question here?
Answer:

Step-by-step explanation:
Let x = the number of $20 bills.
Then x + 6 = the number of $5 bills and
20x + 5(x + 6) = 455

x = 17 = number of $20 bills
x + 6 = 17 + 6 = 23 = number of $5 bills

Check:

OK.
Answer:
y = -5x - 26 i hope this helps :)
Step-by-step explanation:
picture below
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Answer:80%
Step-by-step explanation: If you divide 16 and 20, you get 0.8 and multiply that by 100, you get 80%.
58 the 5 is 50 and the 8 is just 8 . the 5 is in the 50s place and the 8 is in the ones place