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?
 A. 
 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 amounds and subtract that total from 6 pounds.
 B. 
 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.