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Last week, the price of a gallon of gasoline was `g` dollars.

This week, the price of gasoline per gallon increased by `5\%`.



Select all of the expressions that represent this week's price of gasoline per gallon.



A. g+ 0.05
B. g + 0.05g
C. 1.05g
D. 0.05g
F. (1 + 0.05) g

Answer 1

The expressions represent this week's price, in dollars, of a gallon of gasoline, is 1.05g.
Given that,
Last week the price, in dollars, of a gallon of gasoline was g.
This week the price of gasoline per gallon increased by 5%.
We have to determine,
Which expressions represent this week's price, in dollars, of a gallon of gasoline?
According to the question,
The price of a gallon of gasoline = g in last week.
The price of gasoline increased = 5% = 0.05
The expressions represent this week's price, in dollars, of a gallon of gasoline is,
= Price of gallon last week + Price of gallon increased this week
= g + 0.05g
= (1 + 0.05)g
= 1.05g
Hence, The expressions represent this week's price, in dollars, of a gallon of gasoline, is 1.05g.