Alicia has 80 marbles, Teddy has 110 martxos, and Marty has 60 marbles. Thirty percent of Alicia's marbles are blue, forty percent of Teddy's marbles are blue, and seventy percent
of Marty's marbles are blue. If Alicia, Teddy, and Marty combine all their marbles, what
percentage of the marbles will be blue?

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.

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p