Consider the function f(x, y) = x2 + xy + y2 defined on the unit disc, namely, D = {(x, y)| x2 + y2 ≤ 1}. Use the method of Lagr
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Answer:
The average number of pounds they bought was 30 pounds.
Step-by-step explanation:
we know that
To find out the average number of pounds, add the total number of pounds for each boy and then divide by the number of boys.
so
therefore
The average number of pounds they bought was 30 pounds.