To find out how much Shala saved, you can calculate 17 percent of the original price of the pen, which is $29.
First, convert the percentage to a decimal: \[ 17% = 0.17 \]
Now, multiply this by the original price: \[ \text{Savings} = 0.17 \times 29 \]
Calculating that: \[ 0.17 \times 29 = 4.93 \]
Therefore, Shala saved approximately $4.93.
Rounding to the nearest dollar gives her savings as about $5.
So the answer is $5.