Respuesta :

Yo answer this question we have to apply proportions:

10 pounds = $8

Weight/price = 10/8

For 40 pounds of flour:

40/x

Where x is the cost of 40 pounds of flour.

Equal both expressions:

10/8=40/x

Solve for x:

x= 40(10/8)=40/1.25 = 32

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