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earnstyle [38]
2 years ago
5

I had 3 dollars,my mom gave me10 my dad gave me 30 my aunt and uncle gave me 100,i had another 7,how much did i have?

Mathematics
1 answer:
alisha [4.7K]2 years ago
6 0

Answer:

150

Step-by-step explanation:

If you had 3 dollars plus the 10 your mom gave you would have 13. Then, if you dad gave you 30 that would be 43. Plus the 100 your aunt and uncle gave you would be 143. Plus 7 would be your answer of 150

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On the face of it, this problem seems fairly straightforward, and the above "step-by-step" seems to give fairly reasonable answers. However, if you look at the function p(x), you find the "best price per widget" is negatve for more than 20 widgets. Similarly, the "cost per widget" is negative for more than 9.8 widgets. Thus, the only reason there is any profit at all for any number of widgets is that the negative costs are more negative than the negative revenue. This does not begin to model any real application of these ideas. It is yet another instance of failed math curriculum material.

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