Respuesta :
the eighteen pack is a better buy because the individual juices would be cheaper.
The eighteen-pack juice costing $5.40 will be a better buy.
What is unitary method?
'The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.'
According to the given problem,
Cost of twelve-pack juice = $4.20
Cost of 1 juice = $4.20/12
= $0.35
Cost of eighteen-pack juice = $5.40
Cost of 1 juice = $5.40/18
= $0.30
Sine, the price per juice of the eighteen-pack juice is less, this will be a better buy.
Hence, we can conclude, the eighteen-pack juice would be a better buy.
Learn more about unitary method here: https://brainly.com/question/19423643
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