Please help me! Decrease £40 by 10%
2 answers:
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Answer:
- Unit price of a 2-liter bottle of soda:
- Unit price of a case of twelve 12 ounce cans:
- The better bargain is the case of 12 ounce cans.
Step-by-step explanation:
Let be "x" the unit price (price/ounce) of the soda in the 2-liter bottle and "y" the unit price (price/ounce) of the soda in the case of twelve 12 ounces cans.
According to the data provided in the exercise, you know that:
1. The 2-liter bottle of soda is equal to 67.6 ounces.
2. That bottle costs $1.89
Then, the unit price is:
3. There are 12 ounce cans in the case. Then the total ounces is:
4. It costs $2.99. So the unit price is:
Since:
The better bargain is the case of 12 ounce cans.