Pedro compró una televisión y por pagar al contado, le hicieron un descuento del 20%. Al mostrar un vale adicional, le hicieron un 5% de descuento más, sobre el precio ya descontado. Si pagó $2,280 en total, ¿Cuál era el precio original de la tele?​

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?