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Rafael is buying 1 and 3 over 8 pounds of salad at a salad bar that charges the amount shown. Salad bar: $6.80/lb




(1) Show that the amount of salad is a rational number.




(2) Write the amount of salad as a decimal.




(3) What will Rafael pay for the salad?




Please, please, please... please help me on this.


After you answer, please explain. Be reasonable, and please try.