To calculate: Selling price for each apple sold by Celia.
Answer to Problem 6P
Celia sold each apple for 70 cents.
Explanation of Solution
Given information:
Celia bought 12 apples.
10 of those she sold at 20 cents more than each apple cost.
Profit earned was $1.00.
Calculations:
Let x be the price of each apple she bought.
And
Each of 10 apples sold at price
Then
Number | Price (in cents) | Cost (in cents) | |
Bought | 12 | x | 12x |
Sold | 10 | x + 20 | 10x + 200 |
We know that
Profit = selling price − purchase price
Since
$1 = 100 cents
Thus,
That becomes
Divide both sides by -2:
Thus,
Celia paid 50 cents for each apple.
Now,
Each of 10 apples sold at
Thus,
Celia sold each apple for 70 cents.
Chapter 3 Solutions
Algebra: Structure And Method, Book 1
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