Ifound a place that will give me a 20% discount if i spend over $50 my bill is $75 how much money will i save

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

Fawn bought a total of 70 cakes for a tea party. she spent $3,025. fawn bought vanilla cakes for $22 each and a fruit filled cake for $55 each. the system of equations below can be used to find the number of vanilla cakes, v, and the number of fruit filled cakes, f, fawn purchased. which system of equations has the same solution as the system below.

What is the area of parallelogram rstu? 21 square units 24 square units 28 square units 32 square units