Question: what is the difference between a primary and a secondary source a. a secondary source provides opinions, while a primary source provides facts. b. a primary source originates from someone who is there, while a secondary source’s information comes from other sources. c. a primary source contains information from a secondary source, while a secondary source uses informal accounts. d. a primary source is pure, while a secondary source is doubtful.

the answer is b

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use an equation of ratios to determine the amount of gas needed to fill the tank.

    0.2             0.8

  =    

288.75             x

                                                              231 gal

so, 0.2x = (0.8)(288.75 gal), and x = = 1155 gal.

                                                                0.2

it would take 1155 gal. to fill the tank.

the cost would be

1155 gal         $3

* = $3465   (answer)

      1           1 gal

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