Exercise 17 Page 188

We want to complete a table. We can use the portion where both values are known to find the missing values.

We know that 124 feet is the same as 1/2 inches. Let's write this as a ratio. 124feet/12inches or 124/12We will use this rate to find the missing values.

First Value

We can find an equivalent ratio with a denominator of 1 to find how feet are the same as 1 inch.

We found that 112 feet is the same as 1 inch.

Second Value

Now, we can find an equivalent ratio with a numerator of 18 to find how many inches are in 18 feet.

We found that 18 feet is the same as 32 inches.

Third Value

Now, we can find an equivalent ratio with a denominator of 14 to find how many feet are the same as 14 inches.

We found that 148 feet is the same as 14 inches.

The equivalent ratios are 124: 12, 112:1, 18: 32, and 148: 14.