Members of the band sold 1150 worth of packages of pens and markers. They sold a total of 310 packages, including 10 more packages of pens than markers if one package of pens and one package of markers costs 7.50, what was the price of each package

Each package of pen costs 2.5

Each package of marker costs 5

Step-by-step explanation:

Please refer to the attached image for explanations

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm