To find the item that has the better unit price if one gallon of milk sells for $3.18 and 1 quart of milk sells $0.76.
Answer to Problem 22PPS
1 quart of milk selling for $0.76 is better unit price.
Explanation of Solution
Given information : One gallon of milk sells for $3.18 and 1 quart of milk sells $0.76.
Formulaused : Per unit price will be calculated using following formula :
Per unit price
And also to use following conversion formula :
1 gallon = 4 quarts
Calculation :First method : Here as one gallon of milk sells for $3.18 that means 4 quarts of milk sells for $3.18, so cost of 1 quart of such type of milk
And the cost of 1 quart of another type of milk is $0.76
So, clearly0.76 <0.795
Second method :Given one gallon of first type of milk costs $3.18
Now as 1 quart cost of second type of milk is $0.76
So using above conversion formula, 1 gallon cost of such type of milk 0.76 x 4=$3.04
Or, 3.04 <3.18
Conclusion :Based on both methods,it is cleared that 1 quarts for $0.76 sell is the better unit price.
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