Alotion is made from an oil blend costing $1.50 per ounce and glycerin costing $1.00 per ounce. four ounces of lotion costs $5.50.

a=(4-g) 1.5
b=(4-g) + 1.5
c= 4g-g(1.5)
d=(4-g)g

A=(4-g) 1.5

Step-by-step explanation:

Let g be the amount of glycerin in the lotion.  We know that there are 4 ounces total of lotion; this means that there are 4-g ounces of the oil blend.

The oil blend costs $1.50 per ounce; this gives us the expression (4-g)1.5 for the oil blend.

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step-by-step explanation: