What is the net-price rate of a vacuum cleaner, originally priced at $185, when the discounts are 25/80?

75%
95%
6%
15%

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.