QUESTION 4

[2+2+3+3 = 10 marks]
A dietician has two foods with which to prepare a diet containing at least 400 units of calcium, 175 units of iron, and 280 units of vitamin A. The table below gives the units of calcium, iron, and vitamin A per ounce for the two foods.
Food I costs 35 cents an ounce and Food II costs 42 cents an ounce. What combination of the two foods gives the diet, meeting the above requirements, of minimum costs?

1 answer

no table.
If you care to append it now, we can offer some help, but I suspect this problem is very like others you have already done, so ...
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