Math (Connexus 6th)Unit 6

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Identify an equation that models the situation and find its solution.

Kane planned to build a 53-centimeter-tall model of a building. He later decided to increase the model's height to 159 centimeters. What was the increase of the model’s height in centimeters?

A.x – 53 = 159
x = 212

B.53 + x = 159
x = 106

C.53 + x = 159
x = 102

D.x – 53 = 159
x = 53

  • Math (Connexus 6th)Unit 6 -

    what is the increase going from 9 to 12?

    use the same logic here.

  • Math (Connexus 6th)Unit 6 -

    I am having trouble Steve can you explain it a little bit more

  • Math (Connexus 6th)Unit 6 -

    Draw a sketch of it !

  • Math (Connexus 6th)Unit 6 -

    9+x = 12
    x = 12-9

    same thing, different numbers.

  • Math (Connexus 6th)Unit 6 -

    I think that it will be either B or C

  • Math (Connexus 6th)Unit 6 -

    *=== 159
    *
    * how much here ?
    *
    *
    *=== 53
    *
    *===ground = 0

  • Math (Connexus 6th)Unit 6 -

    So the answer is B

  • Math (Connexus 6th)Unit 6 -

    yes, 53 + 106 = 159

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