Charlotte is making 6 pounds of trail mix using raisins and 3 different types of nuts. The table shows the amounts of different types of nuts that she has. Type of Nut Amount (in pounds)  almonds  7/8  cashews   1 1/2 peanuts  2 3/8 pecans 1 1/4 walnuts 1 3/4  Charlotte uses all of the almonds, cashews, and peanuts that she has. Which of the following explains ho

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Charlotte is making 6 pounds of trail mix using raisins and 3 different types of nuts.
The table shows the amounts of different types of nuts that she has.

Type of Nut Amount (in pounds)
 almonds  7/8
 cashews   1 1/2
peanuts  2 3/8
pecans 1 1/4
walnuts 1 3/4 

Charlotte uses all of the almonds, cashews, and peanuts that she has.

Which of the following explains how she can find the exact amount of raisins she needs?

  1. Round 7/8 pound to 1 pound, 1 1/2 pounds to 2 pounds, and 2 3/8 pounds to 2 pounds.
    Then add the rounded amounts and subtract that total from 6 pounds.
  2. Add 7/8 pound, 1 1/2 pounds, 2 3/8 pounds, 1 1/4 pounds, and 1 3/4 pounds.
    Then subtract 6 pounds from that total.
  3. Subtract 7/8 pound from 6 pounds, subtract 1 1/2 pounds from 6 pounds, and subtract 2 3/8 pounds from 6 pounds. Then add all three differences.
  4. Add 7/8 pound, 1 1/2 pounds, and 2 3/8 pounds.
    Then subtract that total from 6 pounds.
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