Maths-
General
Easy

Question

Kishore is making a 7 feet high door. If the height is 1 foot more than twice its width, what is its width?

hintHint:

  • Hint:
○ Form the eqaution using given information.
○ Take variable value as any alphabet.
○ Take terms with cofficient at one side and without cofficients at another side.

The correct answer is: x = 3


    • Step by step explanation:
    ○ Given:

    6 ( x + 1)= 4 ( 1 + x over 4) + 6 + 3x
    ○ Step 1:
    ○ Let the width of door be x feet.
    So, according to question,
    Height = 2x + 1
    ○ Step 1:
    ○ It is given that height is 7 feet
    ∴ Height = 2x + 1

    rightwards double arrow7 = 2x + 1

    rightwards double arrow7 - 1 = 2x

    rightwards double arrow6 = 2x

    rightwards double arrowx = 6 over 2

    rightwards double arrowx = 3

    • Final Answer:
    Hence, the width of door is 3 feet.

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