21 ounce box of Cheerios for 5.69 is worth it.
For the 17-ounce box of special k, the price per ounce is
4.89/17 = $0.29
For the 21 ounce box of cheerios, the price per ounce is
5.69/21 = $0.27
The box of cheerios is a lower price per ounce and the better deal.
