unit cost

Identify the unit rate of primavera sauce, if 4 liters cost $12. => $2 per liter or $5 per liter or $4 per liter or $3 per liter..

The cost of 7 yd of ribbon is $0.28. Find the unit rate of ribbon. => $0.03 per yd or $0.06 per yd or $0.04 per yd or $0.05 per yd..

The cost of 6 yards of ribbon is $1.32. Find the unit rate of ribbon. => $0.21 per yard or $0.22 per yard or $0.24 per yard or $0.23 per yard..

Nina bought 8 oranges at a cost of $5.40. What is the unit rate? => $0.84/orange or $0.65/orange or $0.74/orange or $0.67/orange..

A doctor wishes to mix together two kinds of food, X and Y, in such a way that the mixture contains at least 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one pound of food are shown. One pound of food X costs ..

Commercial Unit of Electrical Energy - Kilowatt - hour is the commercial unit of electrical energy. We have seen that power is the rate of energy consumed or delivered. If 1 joule of energy is used per second, we say that energy is used at the rate of 1 watt. In other words, if ..

The mean costs of two sets of soaps of same weight are $4.30 and $4. If the sets were 40 and 30 units in size with the standard deviations $0.60 and $0.90, then find the z score value and verify if they differ in their mean cost at 95% confidence level. => 1.58, mean h..

A doctor wishes to mix together two kinds of food, X and Y, in such a way that the mixture contains at least 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one pound of food are shown. One pound of food X costs ..

What length of canvas, 4 m. in width is required to make a conical tent 14 m. in diameter and 6.3 m. slant height? Also find the cost of the canvas at the rate of $13 per meter. (Round the answer to the nearest hundredth of a unit.) [Use π = 3.14.] => Length = 30.62 m, c..

A 2 fl oz bottle of orange juice costs $8 and a 4 fl oz. bottle of orange juice costs $12. Which is a better buy? => I don′t know. or 2 fl oz. or both have the same unit rate or 4 fl oz...