In one day, a book store earned $189 in sales for 4 copies of a new cookbook and 5 copies of a new science fiction novel. On the next day, it earned $146 in sales for 3 copies of the cookbook and 4 copies of the science fiction novel. What was the price of each book?

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse