At Wet Pets, a starter aquarium kit costs $15 plus $.60 per fish. At Gills and Frills, the same kit is $13 plus $.80 per fish. For what number of fish is the cost the same at the
two stores?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest