Problema Solution

A new​ self-tanning lotion for everyday use is to be sold.​ First, an experimental lotion mixture is made by mixing 700 ounces of everyday moisturizing lotion worth ​$0.70 an ounce with​ self-tanning lotion worth ​$2per ounce. If the experimental lotion is to cost $1.30 per​ ounce, how many ounces of the​ self-tanning lotion should be in the​ mixture?

Answer provided by our tutors

Let 'x' represent the ounces of the​ self-tanning lotion to be added to the mixture.

0.70*700 + 2*x = 1.30*(700 + x)

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click here to see the equation solved for x

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x = 600 oz

600 ounces of the self-tanning lotion should be added in the mixture.