If the perimeter of a regular pentagon can be expressed as 10s - 20, determine the length of each side. 50s - 100
s - 2
5s - 10
2s - 4

How many grams the dog will eat in 3 days?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.