Mrs. Jolley is thinking of buying solar panels to put on the roof of her new house. The sunny solar company told her that for every 2 panel

Question

Mrs. Jolley is thinking of buying solar panels to put on the roof of her new house. The sunny solar company told her that for every 2 panels, she will save $60 on her electric bill.

(a) Draw a model or make a visual representation for the ratio for the panels to the money that she will save on her electric bill.

(b) Write the ratio of panels to money saved as a reduced fraction.

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Calantha 4 years 2021-08-17T15:41:01+00:00 1 Answers 12 views 0

Answers ( )

  1. thachthao
    0
    2021-08-17T15:42:49+00:00
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    Answer:

    y = $30x ;

    1 : $30

    Step-by-step explanation:

    Given that :

    $60 is saved in electricity bill for every 2 panels

    Model, y

    Amount saved, y = amount saved per panel * number of panels

    Let number of panels = x

    Hence, total amount saved, y ;

    y = $30x

    Ratio of panels to money saved :

    Number of panels : amount of money saved

    2 : $60

    1 : $30

    Hence, $30 is saved in cost of electricity bill per 1 solar panel purchased.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )