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5 votes
Here is my question , please help ;(

Here is my question , please help ;(-example-1
User LBridge
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1 Answer

5 votes
Read the graph where x-axis represents the number of lunches and y-axis the related cost.
For 200 lunches B costs 1500
For 200 lunches A costs 1800
So the economy amounts to 1800 - 1500 = $300
User Makkasi
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