A store owner want to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $16.30 per pound should be mixed with trail mix costing $4.50 per pound to create a 31 pound mixture worth $9.45 per pound. (Round to the nearest pound) The owner needs to mix ___ pounds of chocolate and
pounds of trail mix.
please explain how to do this?

each side has a different length.  

step-by-step explanation:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

step-by-step explanation:

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