Question

1.69 Your dermatologist suggests a commercial shampoo to keep your scalp seborrhea under control. You find there commended product at the pharmacy but also notice a generic product alongside it.

The recommended product costs $6.50 for 185 mL, and the concentration of the active ingredient is 0.500%. The price of the generic product is $7.00 for 165 mL, and the concentration of the active ingredient is 0.700%. Which one should you buy?

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