there is a total expenditure of rs. 25000 to show a dance program. the dance team made a profit of rs. 12000 except the expenditure. if 370 people observed the dance by paying the money, how much money did a person pay for the show? find it.

The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.