Question 352675
Cost of $2.50/ounce lotion = {{{100*2.5 = 250}}}
Cost of $4.00/ounce lotion = {{{50*4 = 200}}}
Total cost of lotion = {{{200 + 250 = 450}}}
Total ounces of lotion = {{{100 + 50 = 150}}}
Cost per ounce = {{{450/150 = 3}}}
The cost per ounce is $3