Answer:
an = 7.5 - 5.5(n - 1).
Step-by-step explanation:
The common difference d = -5.5.
The first term is given as 7.5.
Explicit formula is
an = a1 + (n - 1)d
= 7.5 + (n - 1)-5.5
= 7.5 - 5.5(n - 1)
Just move the decimal point the same number of zeroes.
1=29.4
2=.01406
3=.009
Have a nice day brainliest would be fantastic
Answer:
Step-by-step explanation:
Tax = 6% of 18

= $1.08
Tips = 20% of 18

= $3.60
Total price = 18 + 1.08 + 3.60
= $ 22.68