Samuel orders four dvds from an online music store. each dvd costs $9.99. he has a 20% discount code , and sales tax is $6.75% . what is the total of his older?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.