35. Para pintar una casa se mezclaron 5/4 L do pintura blanca y 1/2 L de pintura azul. Al final solo se emplearon 213 L de la mezda, ¿c

Question

35. Para pintar una casa se mezclaron 5/4 L do pintura blanca y 1/2 L de pintura azul. Al final solo se emplearon 213 L de la mezda,
¿cuántos litros de pintura sobraron?​

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RuslanHeatt 4 years 2021-08-16T09:51:46+00:00 1 Answers 1066 views 0

Answers ( )

  1. phucdien
    0
    2021-08-16T09:53:33+00:00
    Reply

    Answer:

    Total paint left over = \frac{13}{12}L

    Step-by-step explanation:

    Given – To paint a house, 5/4 L of white paint and 1/2 L of blue paint

                 were mixed. In the end only 2/3 L of the mixture were used.

    To find – How many liters of paint were left over ?

    Proof –

    Given that,

    5/4 L of white paint and 1/2 L of blue paint were mixed.

    So, total mixture = (\frac{5}{4} + \frac{1}{2})L

                              = \frac{5 + 2}{4}L

                              = \frac{7}{4}L

    ⇒Total mixture =  \frac{7}{4}L

    Now,

    Given that ,

    In the end only 2/3 L of the mixture were used.

    So, total mixture left = (\frac{7}{4} - \frac{2}{3})L

                                    = \frac{21 - 8}{12}L

                                    = \frac{13}{12}L

    ∴ we get

    Total paint left over = \frac{13}{12}L

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