Since we know there are π radians in 180°, then how many radians are there in 153°?
Let us say the original price of taco before tip was x dollars.
Percentage of tip given =25 %
Amount of tip given = $2
Now we can say that 25 % of total amount = 2 dollars.
Making an equation,

Now we have to solve for x, so dividing both sides by 0.25,
x= 8
Answer : The original price of tacos before tip was $8.
Answer:
you would need just 4 equation
Divide the number of quarts you have by 4 to convert to gallons