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Question

# A Food company sells regular lunch for 2.39perdishandpremiumlunchfor 2.79 per dish. If the total sales of lunch dishes in a day comes to be 550 dishes combining both and makes total sales of 1,344.50\$, then how many total sales of premium lunch dishes did it do?

A
25
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B
75
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C
175
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D
475
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Solution

## The correct option is A 75Let the total number of regular lunches be x. Then the total number of premium lunch will 550−x.Hence the total sales will be 2.39(x)+2.79(550−x)=1344.50 →1534.5−0.4x=1344.50190=0.4x or x=19×1004=475. Hence the number of premium lunches will be 550−475=75.

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