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9. Chocolate Co. mixes two kinds of chocolate bars

in a gift bag that weighs 3 pounds and has a total
cost of $15. The expensive candy bars are $6 a
pound and the other cost $4.50. How many
pounds of each are used to make the gift bag?


Please show work

1 Answer

4 votes

9514 1404 393

Answer:

  • 1 pound of expensive chocolate
  • 2 pounds of other chocolate

Explanation:

Let e represent the number of pounds of expensive chocolate in the bag. Then (3-e) is the amount of the other chocolate. The total cost of the bag will be ...

6.00e +4.50(3 -e) = 15.00

1.50e = 1.50 . . . . . . collect terms, subtract 13.50

e = 1 . . . . . . . . . . . . .divide by 1.50

1 pound of expensive chocolate is used; 2 pounds of other chocolate is used.

User Alonso
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