Noah tiene un cupón del 30% de descuento en su tienda favorita. Lo usa para comprar una sudadera con capucha y un par de jeans. Noah pago $28 por los jeans después de usar el cupón. ¿Cuál es el precio regular de el par de jeans?

La respuesta correcta es $40.

Explique aquí como y porqué $40 es la respuesta.​

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

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?