### Home > CC3 > Chapter 1 > Lesson 1.2.2 > Problem 1-58

1-58.

Mr. Wright was making a table to figure out how much it costs to send a certain number of regular letters through the mail. Use proportional reasoning to complete his table at right. Homework Help ✎

Number of Letters | Cost of Stamps |

10 | $4.50 |

2 | $0.90 |

$6.75 | |

7 | |

1 | |

500 | |

$18.90 |

First set up the proportion.

Multiply

What did you multiply