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Nathan Alexander wants to purchase ears of corn for a family reunion picnic. A farmers’ market near his home offers six ears of corn for $1.25, 12 ears of corn for $2.64, or 36 ears of corn for $7.20. Which is the best buy? All the ears of corn are the same price. 12 ears for $2.64 6 ears for $1.25 36 ears for $7.20

Respuesta :

FLVStundent
The best buy is 36 ears of corn for $7.20, because it is 20 cents per ear of corn 

Answer: 36 ears for $7.20 is the best buy as it is cheapest among them.

Step-by-step explanation:

Since we have given that

Cost of 6 ears of corn = $1.25

Cost of 12 ears of corn = $2.64

Cost of 36 ears of corn = $7.20

In above cases, we will find the cost of unit ear to get the best buy.

By using "Unitary method":

Ist case :

Cost of 1 ear of corn is given by

[tex]\dfrac{1.25}{6}=\$0.21[/tex]

IInd case :

Cost of 1 ear of corn is given by

[tex]\dfrac{2.64}{12}=\$0.22[/tex]

III rd case:

Cost of 1 ear of corn is given by

[tex]\dfrac{7.20}{36}\\\\=\$0.20[/tex]

Hence, 36 ears for $7.20 is the best buy as it is cheapest among them.