Juan vende empanadas, 180 al día. Por la mañana vende las dos terceras partes, y por la tarde la cuarta parte de lo que queda. ¿Cuantas empanadas le queda por vender?

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?