If you want to leave a 20% tip and the total bill was $87.37, What is the price of the bill including the tip? :D
1 answer:
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Answer:
Step-by-step explanation:
common difference d=3-1=2
first term a=1
an=a+(n-1)d
2n-1=1+(l-1)2
2n-1=1+2l-2
2n-1=2l-1
l=n
(i used l for number of terms)
number of terms=n