Solve the Problem. -A Merchant Has Coffee Worth $20 a Pound That She

question 72

Multiple Choice

Solve the problem.
-A merchant has coffee worth $20 a pound that she wishes to mix with 90 pounds of coffee worth $90 a pound to get a mixture that can be sold for $80 a pound. How many pounds of the $20 coffee should be used?

• A) 7.5 lb
• B) 52.5 lb
• C) 105 lb
• D) 15 lb

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Definitions:

Stimuli

External or internal events that elicit a response from an organism.

Salivary Response

An automatic reaction of the salivary glands producing saliva, often triggered by the sight, smell, or thought of food, demonstrating a classic conditioned response.

Big Mac

A hamburger sold by the international fast-food chain McDonald's, characterized by its two-part sesame seed bun and special sauce.

Behavioral Contrast

A phenomenon in psychology where the rate of response to one stimulus changes when the conditions of reinforcement for another stimulus are modified.