## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 6 - Systems of Equations and Inequalities - Mid-Chapter Quiz - Page 393: 16

#### Answer

They have to sell 250 cones to break even.

#### Work Step by Step

Let x = the number of cones sold y = total cost/income The total cost: $y=0.45x+200$ The total income: $y=1.25x$ Substitute the first equation: $1.25x=0.45x+200$ Simplify: $0.8x=200$ $x=250$ They have to sell 250 cones to break even.

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