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Karly is making a new dance outfit.  She needs 2 ½ yards of fabric for the shawl.  She needs 1 ¾ yards of fabric for the dress.  If she has 3 yards of fabric, how much more does she need.  If each yard of fabric costs \$7.98, how much money does Karly need?

Jan 24, 2022

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Add up the amount of fabric:

$$2 {1 \over2} + 1 {3 \over 4} = 4 {1 \over4}$$

Subtract the total amount from 3:

$$4 {1 \over4} - 3 = 1 {1\over 4}$$

This means that she needs an extra $$1 {1\over 4}$$ yards of fabric.

To find the total cost, do $$1 {1\over 4} * 7.98 = 9.98$$

Jan 24, 2022