Acompany figured that if it had 50 more employees and paid each one $2 per day less, the payroll would increase by $620 per day. if it had 50 less employees and paid each $4 per day more, the payroll would decrease $640 per day. how many employees does the company have now?

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read