You take the amount paid and divide it by the amount of cheese. So 10.50 divided by 2.5 equals 4.2 and 12.60 divided by 3 equals 4.2 meaning that one pound of cheese costs $4.20
The average is 2. To find the average you add all the numbers then divide the sum by the total amount of numbers.
Answer:

Step-by-step explanation:
"The product of negative three and a number." can be written as -3n, or -3 * n, where n is "the number".
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