Math

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Please Check My Answer I don't know if they are right or wrong and if they are wrong can u give me the correct answers. ? Thanks PS: The answers are the * one's.

1) 2/3 = 12/x

x= 18
x= 12
x= 36
x= 8 ****************

2) 6/11 = 84/x

x= 40 **************
x= 120
x= 254
x= 154

3) 22miles/55 hours = 12miles/h hours

x= 48
x= 30 *************
x= 45
x= 22

  • Math -

    Sorry for # 3 is like this :

    3) 22miles/55 hours = 12miles/h hours

    48
    30 *************
    45
    22

  • Math -

    3) is correct. The other two are wrong.

  • Math -

    2/3 = 12/x
    corss multiply we get 2x = 36
    x = 18

    6/11 = 84/x
    cross multiply we get 6x = 11 * 84
    x = 154
    same thing for 3, 22h = 55*12
    2 h = 5*12
    h = 30

  • Math -

    Thank You! Ms. Sue & Sam :)

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