Una fábrica confecciona camisetas a un costo de s/12 de mano de obra y de s/3 de material, por unidad. los gastos mensuales generales para la planta son s/6000. si cada camiseta se vende a s/30, ¿cuántas camisetas deben venderse por mes para obtener ganancia?

What are the solutions to the equation 4x2+3x=24-x

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Which expression will have the same sum as 3_8 + 1/4?