Question

Find then selling price per liter of a mixture made from 70 L of cranberry juice which cost $1.20 per liter and 130 L of apple juice which cost $0.80 per liter

Answer 1

`\bf \begin{array}{lccclll} &\stackrel{liters}{amount}&\stackrel{\$/liter}{price}&\stackrel{total}{cost}\\ &------&------&------\\ Cranberry&70&1.20&84\\ Apple&130&0.80&104\\ ------&------&------&------\\ mixture&200&&188 \end{array}\\\\ -------------------------------\\\\ \cfrac{\stackrel{\$}{188}}{\stackrel{liters}{200}}\implies \cfrac{47}{50}\approx 0.94(\$)/(liter)`