If a1 = 7 and an = An-1 – 3 then find the value of a4.
1 answer:
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Answer:
The expression with three terms to show the price of a gallon of gas on Saturday is ⇒
Step-by-step explanation:
Given:
Price of a gallon of gas in dollars =
On Friday, the price goes up by = $0.05
On Saturday, the price goes down by = $0.03
To write an expression with three terms to show the price of a gallon of gas on Saturday.
Solution:
Initial price of a gallon given in dollars was =
On Friday the price increased by $0.05.
So, the price on Friday in dollars can be given as =
On Saturday, the price decreased by $0.03
So, the price on Saturday in dollars can be given as =
Thus, the expression with three terms to show the price of a gallon of gas on Saturday is ⇒