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# David N. gets $3 per week as an allowance to spend any way he pleases. Because he likes only peanut butter and jelly sandwiches, he spends the entire... David N. gets$3 per week as an allowance to spend any way he pleases. Because he likes only peanut butter and jelly sandwiches, he spends the entire amount on peanut butter (at $0.05 per ounce) and jelly (at$0.10 per ounce). Bread is provided free of charge by a concerned neighbor. David is a particular eater and makes his sandwiches with exactly 1 ounce of jell and 2 ounces of peanut butter. He is set in his ways and will never change these proportions.A.) How much peanut butter and jelly will David buy with his $3 allowance in a week? B.) Suppose the price of jelly were to rise to$.15 an ounce. How much of each commodity would be bought?

David N. gets $3 per week as an allowance to spend any way he pleases.Because he likes only peanut butter and jelly sandwiches, he spends the entireamount on peanut butter (at$0.05 per ounce)...