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Homework answers / question archive / You have decided to study abroad for the semester and discover the grocery store sells milk by the liter instead of the gallon
You have decided to study abroad for the semester and discover the grocery store sells milk by the liter instead of the gallon. Back home you drink about 2 gallons of milk per month with an average cost of $1.98 per gallon. The average cost for a liter of milk is 1.07 euros. You assume you are going to drink about the same amount of milk and want to know if it is cheaper at home or abroad. Is milk cheaper at home or abroad over the course of a month? Be sure to clearly demonstrate how you came to your conclusion using the concept of conversions and showing all calculations.
Answer:
Therefore the milk is cheaper at home than abroad over the course of a month.
Step-by-step explanation
Given that;
At hoe you consume about 2 gallons of milk per month with an average cost of $1.98 per gallon.
This means that in a month at Home you spend (2*$1.98) = $3.96 on milk per month.
On abroad, you consume still the same amount by her milk is sold in liters and not gallons.
Given the rates of conversion 1 gallon of milk = 231 cubic inches = 3.785 liters. now if you consume two gallons the same way you consume at home the it means that in one month you will consume (3.785*2) =7.57 liters.
Given that one Liter = 1.07 Euros, therefore 7.57 liters = (7.57*1.07) = 8.0999 ≈ 8.1 Euros.
The last part is to compare the cost at home and the cost abroad
At home you spend $3.96 on milk per month while abroad the milk is sold in terms of Euros. and you spend 8.1 Euros.
Given that 1 USD = 0.82 Euro (as at today) therefore 8.1 Euro will be how much USD
this is given as 8.1×1?/0.82 = 9.88 USD
This means that At home you spend $3.96 on milk per month while abroad you will spend $9.88.
Therefore the milk is cheaper at home than abroad over the course of a month.
