Alloy |
|||||
---|---|---|---|---|---|

Property |
1 | 2 | 3 | 4 | 5 |

Percentage tin | 60 | 25 | 45 | 20 | 50 |

Percentage zinc | 10 | 15 | 45 | 50 | 40 |

Percentage lead | 30 | 60 | 10 | 30 | 10 |

Cost ($/lb) | 19 | 17 | 23 | 21 | 25 |

The objective is to determine the proportions of these alloys that should be blended to produce the new alloy at a minimum cost. Formulate the linear programming model for this problem.