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29 July, 08:52

You are buying 3 shirts and 2 pairs of pants. You spend $300. Let x represent the price of the shirt and y represent the price of the pants. Write an equation that can be used to find price of the shirts and pants.

A) Standard form:

B) Slope-Intercept Form:

C) If the shirts cost $20 each how much were each of the pants?

D) Using the standard form, identify the x-intercept of the graph and explain how the x-intercept relates to the price of the pants and shirts.

E) Using the standard form, identify the y-intercept of the graph and explain how the y-intercept relates to the prices of pants and shirts.

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Answers (1)
  1. 29 July, 11:59
    0
    The answer to your question is below

    Step-by-step explanation:

    Data

    3 shirts and 2 pair of pants

    cost = $300

    x = shirt price

    y = pants price

    a) 3x + 2y = 300

    b) 2y = - 3x + 300

    y = - 3/2 x + 300/2

    y = - 3/2 x + 150

    c) y = - 3/2 (20) + 150

    y = - 30 + 150

    y = 120 each of the pants costs $120

    d) 3x + 2y = 300

    if y = 0

    3x = 300

    x = 300/3

    x = 100 It could be the highest cost of a shirt

    e) 3x + 2y = 300

    if x = 0

    3 (0) + 2y = 300

    2y = 300

    y = 300/2

    y = 150 it could be the highest cost of a pair of pants.
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