In Mr. B's classroom, there are 20 students.
Twelve got a B, one student got a C, and the rest
received an A. What percent of the class
received an A?

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

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?

What is the solution to the division problem below x3+x2-11x+4/x+4