Andy C. answered • 08/21/18

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6N + 10 = x

8N - 18 = x

Subtracting Equation 2 MINUS Equation 1:

8N - 18 - (6n + 10) = x - x

8N - 18 - 6n - 10 = 0

2n - 28 = 0

2n = 28

n = 14

She has 14 pillows.

6 x 14 + 10 = 84 + 1- = 94 square inches

8 x 14 - 18 = 112 - 18 = 94 square inches

14 pillows

94 square inches of fabric