Marta the boy no fish for her home aquarium. she bought three guppies and 2 plates for a total of $13.95. hank also bought guppies and plates for his aquarium. he bought three guppies and 4 plates for a total of $18.33. find the price of a guppy and the price of a platt.

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

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?