Mari y Jen trabajan 20 horas por semana en diferentes trabajos. Mari gana el doble de lo que gana Jen. Entre las dos, ganan $480. ¿Cuánto gana cada una de ellas en una semana? Por favor alguien ayúdeme, es un ejercicio verbal de matemáticas de las desigualdades y necesito saber cómo se hace la ecuación matemática. Muchas gracias.

Le daré Brainliest a la mejor contestación después de 1 día. :)

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units