Question

At the beginning of a trip, the tank of Diana’s car was filled with gasoline to half of its capacity. During the trip, Diana used 30 percent of the gasoline in the tank.
At the end of the trip, Diana added 8 gallons of gasoline to the tank.
Let the capacity of the tank of Diana’s car be x gallons. Write an expression representing the number of gallons of gasoline in the tank after Diana added gasoline to the tank at the end of the trip? Enter an expression in the simplified form.

Answer 1

Answer:

what is half of 30 percent?

Step-by-step explanation:

and that  might  give you the half of 30 percent and all you will have to do is figure out how 30 percent is all toghter and then add the anthor numbers and also but lastly  put in on a experession in simplifed form.

Answer 2

Capacity of tank be x

At end of journey the tank was half filled.

• Hence x/2 filled

Now used percentage is 30%

$\\ \sf\longmapsto \dfrac{30x}{200}$

$\\ \sf\longmapsto \dfrac{3}{20}x$

Now

• added gasoline=8gallon

Expression:-

$\\ \sf\longmapsto \dfrac{3}{20}x+8$