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6 ears of corn for $1.80. What was the cost per ear?

User Peterxwl
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2 Answers

5 votes

Let
c be the price of an ear of corn. So, six ears of corn cost
6c. We thus have


6c = 1.80

Divide both sides by 6 to get


c = (1.80)/(6) = 0.3

User Ready Cent
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8.2k points
4 votes

Answer:

The cost was $0.30 per ear of corn.

Explanation:

We assume that exist a linear relationship between the amount of ears of corn and the price.We also assume that it is a direct linear relationship. This means that a greater number of ears of corn imply a greater price. Now we can write this mathematically :


((6)EarsOfCorn)/((1.80)Dollars)=((1)EarOfCorn)/(x)

Solving in terms of x :


x=((1)EarOfCorn.(1.80)Dollars)/((6)EarsOfCorn)=0.3Dollars

Therefore, the cost per ear of corn is $0.30

User Arinzehills
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