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26 February, 01:30

a certain color paint should have a mix of blue and green and a ratio of 5:2 if a house painter needs to use 8 gallons of green paint how many gallons of blue paint should he mix with it in order to obtain the right color

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Answers (2)
  1. 26 February, 01:55
    0
    20 Gallons

    Step-by-step explanation:

    blue:green

    5:2

    Green paint is 8 gallons

    Plug 8 gallons into the ratio and get ...

    20:8

    There are 20 gallons of blue paint
  2. 26 February, 03:32
    0
    He needs 20 gallons of blue paint in order to obtain the right color.

    Step-by-step explanation:

    A certain color paint should have a mix of blue and green and a ratio of 5:2

    i. e. he needs to mix 5x quantity of blue paint and 2x quantity of green paint

    A house painter needs to use 8 gallons of green paint.

    ⇒ 2x=8 gallons

    ⇒ x=4 gallons

    So, He needs 5*4 gallons of blue paint

    i. e. He needs 20 gallons of blue paint in order to obtain the right color.
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