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10
PLS
Traci bought 11 yards of yellow ribbon, 2 yards of pink ribbon, and 3 yards of
purple ribbon for one dress. How many yards of ribbon will she need for two dresses?

Respuesta :

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Answer:

Step-by-step explanation:

7  7/12 yards

Step-by-step explanation:

Add these three mixed numbers together:

1 1/4

2 5/6

3 1/2

Use the LCD, which is 12:

1  3/12

2  10/12

3   6/12

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6  19/12, or  6 + 1  7/12, or 7  7/12

She buys 7  7/12 yards of ribbon altogether.

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