For a package to qualify for a certain postage rate, the sum of its length and girth cannot exceed 85 inches. if the girth is 63 inches, how long can the package be?

Length of package can be = 22 inches

Step-by-step explanation:

Given:

For a package to qualify for a certain postage rate, the sum of its length and girth cannot exceed 85 inches

To find length of package when girth of package is = 63 inches

Solution:

Let length of package be = inches

Let girth length of package be = inches

Sum of length and girth of package = inches  

To qualify for a certain postage rate the sum of length and girth should not exceed 85 inches.

Thus, the inequality representing the situation can be given as:

We are given girth of package is = 63 inches

So, inequality to find length would be:

Subtracting both sides by 63.

inches

So, length should not exceed 22 inches in order to qualify.

Thus, the maximum length of package to qualify for the postal rate must be = 22 inches

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