Buy Six Pay Four

If we take six pieces, we will pay only for four. One piece cost 7, and my mother bought 31 pieces. How much did she pay for the purchase?

Final Answer:

x =  147

Step-by-step explanation:

a=31/6=5 b=316 a=316 5=1  x=7 (4 a+b)=7 (4 5+1)=147



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arithmeticUnits of physical quantitiesGrade of the word problem

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