Carol H. answered • 12/08/17

Tutor

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Masters' Degree in Mathematics with 35 Years of Teaching Experience

**Let x = the cost of one large pizza**

**Let y = the cost of one small drink**

**3x + y = 21.96**

**-(6x + y = 27.93)**

**-3x = -5.97**

**x = $1.99**

**3(1.99) + y = 21.96**

**5.97 + y = 21.96**

**y = $15.99**

**So, 1 large pizza and 8 small drinks would cost 15.99 + 8(1.99) = $31.91**