which is a better buy, 1/2 gallon of orange juice for $3.99 or 1/4 gallon for $1.79 explain

Step-by-step explanation:

It is better to buy one by 4

Because in the first case,

1/2 Gallon is $3.99

Since1/4 is 1/2 of 1/2

It will be $1.995 which is more than $1.79

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!