The city of Atlanta increased their sales tax from 7.5% t 8%. How much more tax would you pay on a $10 purchase?
1 answer:
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Let the original bill be 
, then the final bill after the charges been added are 
, where 
is the increase in the bill by 0.2 (100%+20% = 120% = 1.2)
The range of the original bill is
200 < < 800, subtract each term by 25
175 <
< 775, divide each term by
145.83 < < 645.83
Hence, the range of the original bill is between $145.83 and $645.83
The range of the original bill is
200 <
175 <
145.83 <
Hence, the range of the original bill is between $145.83 and $645.83
Answer by JKismyhusbandbae: 6n-16
Arithmetic Formula:
Use the following formula to determine any number in an arithmetic sequence:
an = a1 + d (n – 1)
a1 = the first term.
d = common difference
n = term number