. Dinah bought 3 packages of ground beef. The packages weigh 3 3/4 pounds, 1 1/8 pounds, and 2 1/2 pounds. How many pounds of ground beef did Dinah buy

6 3/8

Step-by-step explanation:

Convert the fractions so that the denominators match.

, then

, then

Add up the fractions.

pounds

Step-by-step explanation:

First, convert the fractions into improper fractions, and make them have the same denominator.

First package:

Second package:

Third package:

Notice that all the fractions have the same denominator, making it easy to add up. Now we add up the fractions.

12.4, 12.387, 12.26, 12.252, 6.241, 6.2, 6.015, 6.009, 1.411, 1.2, 1.056, 1.007, 0.31,   0.13, 0.5, 0.04

step-by-step explanation:

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