Question
We can buy 9 cans of beans at the village market for $4.5. We can also buy the same 7 cans of beans at Sam’s club for $4.2. The place with better purchase has the unit rate of _______________.
- $0.8
- $1.0
- $0.2
- $0.5
The correct answer is: $0.5
In the question we were gven that in a village the cost of 9 bean cans is $4.5 and in Sam's club cost of 7 bean cans is $4.2 we were asked to find best purchase as we know for best purchase unit cost must be less
In Village 9 cans cost = $4.5
1 can cost = 4.5/9 = $0.5
In Sam's club 7 cans cost = $4.2
1 can cost = 4.2/7= $0.6
We can compare both the unit prices
It is clear that cost in village i.e; $0.5 is the best purchase for unit.
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