There are only blue cubes, yellow cubes and green cubes in a bag. There are three times as many blue cubes as yellow cubes

Question

There are only blue cubes, yellow cubes and green cubes in a bag.
There are
three times as many blue cubes as yellow cubes
and five times as many green cubes as blue cubes
Sarah takes at random a cube from the bag
what is the probability that Sarah takes a yellow cube
Give your answer in the simplest form.

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Lyla 2 weeks 2021-09-09T09:39:02+00:00 1 Answer 0

Answers ( )

    0
    2021-09-09T09:40:35+00:00

    Answer:   \bold{\dfrac{1}{19}}

    Step-by-step explanation:

    Yellow = y

    Blue = 3y

    Green = 5(3y) = 15y        

    Total = y + 3y + 15y = 19y

    \dfrac{\text{# of yellow cubes}}{\text{total number of cubes}}=\dfrac{y}{19y}=\large\boxed{\dfrac{1}{19}}

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45:7+7-4:2-5:5*4+35:2 =? ( )