A pound of margarine costs $1.39. What is the cost of a kilogram of margarine

3.064 $

Solution:

First of all we will find the number of pounds contained by one Kg. Therefore, it is found that,

1 Kilogram = 2.20462 Pounds

Hence, as given,

1 Pound of Margarine costs = 1.39 Dollars

So,

2.20462 Pounds Margarine will cost = X Dollars

Solving for X,

X = (2.20462 Pounds * 1.39 Dollars) : 1 Pound

X = 3.064 Dollars