Listed below are ten advertisements for COKE ZERO from Safeway and King Soopers grocery stores.
Arrange the ten choices labeled A - J in order from least expensive to most expensive (in unit cost).
A. Eighteen 12-ounce cans for $9.99 |
B. Ten 7.5-ounce cans for $4.99
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C. Eight 12-ounce bottles for $4.99 |
D. Six 16.9-ounce bottles for $4.50
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E. Six 7.5-ounce cans for $3.99 |
F. One 2-liter bottle for $.99 |
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G. Four six packs of 16.9-ounce bottles for $10.00  |
H Buy three 2-liter bottles at $2.19 each. Get two 2-liter bottles free 
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I. Three twelve packs of 12-ounce cans for $10.00 
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J. One 1.25 liter bottle for $1.49
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Solution to the Problem:
Here is the solution:
You must use the conversion 1 liter = 33.814 fluid ounces.
| Ad | Total Ounces | Unit cost |
|---|---|---|
| F | 67.628 | .01464 per ounce |
| H | 338.14 | .01943 per ounce |
| I | 432 | .02315 per ounce |
| G | 405.6 | .02465 per ounce |
| J | 42.2675 | .03525 per ounce |
| D | 101.4 | .04438 per ounce |
| A | 216 | .04625 per ounce |
| C | 96 | .05198 per ounce |
| B | 75 | .06653 per ounce |
| E | 45 | .08867 per ounce |
You must use the conversion 1 liter = 33.814 fluid ounces.
Correctly solved by:
| 1. Veena Mg | Bangalore, Karnataka, India |
| 2. Ivy Joseph | Pune, Maharashtra, India |
| 3. Dr. Hari Kishan |
D.N. College, Meerut, Uttar Pradesh, India |
| 4. Trace Hadley |
Mountain View High School, Mountain View, Wyoming |
| 5. Colin (Yowie) Bowey | Beechworth, Victoria, Australia |