Seudónimo Seudónimo

16-01-2019
Mathematics

contestada

PLEASE HELP ASAP FOR 15 POINTS There are white, blue, and red boats in a marina. Two-thirds of the boats in the marina are white, 4/ 7 of the remaining boats are blue, and the rest are red. If there are 15 red boats, how many boats are in the marina? 15 POINTS!

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mathecoach mathecoach

16-01-2019

Answer:

white 2/3

blue: 4/7 * (1 - 2/3) = 4/21

red: 1 - 2/3 - 4/21 = 1/7

15 / (1/7) = 105 boats are in the marina.

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