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    Raem's Avatar
    Raem Posts: 2, Reputation: 1
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    #1

    Oct 12, 2008, 07:33 PM
    solve this math with variables
    I need help to learn how to solve the following problem:

    If 6t+7a
    _______ =t
    4
    then what is 4t in terms of a?
    ohanlonl's Avatar
    ohanlonl Posts: 2, Reputation: 1
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    #2

    Oct 12, 2008, 08:32 PM
    6t + 7a =4t

    2t = -7a

    so 4t = -14a
    s10293's Avatar
    s10293 Posts: 4, Reputation: 1
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    #3

    Oct 13, 2008, 07:47 AM
    Please answer the followin:

    Four numbers have mean of 6.5. What is their sum?
    s10293's Avatar
    s10293 Posts: 4, Reputation: 1
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    #4

    Oct 13, 2008, 07:49 AM

    Please answer the following:

    The Junior Girls waterpolo team at Awarua college scored a mean of 11.25 points per game last season. Altogether they played sixteen games. How many points did the team score altogether?
    s10293's Avatar
    s10293 Posts: 4, Reputation: 1
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    #5

    Oct 13, 2008, 07:50 AM
    PLease answer the following:

    Two brotheres have a mean weight of 48 g. If one brothers weight 51 g, what does the other one weight?

    (SHOW ALL THE WORKINGS)
    s10293's Avatar
    s10293 Posts: 4, Reputation: 1
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    #6

    Oct 13, 2008, 07:52 AM

    Answer the following:

    Wei-Li weighed some oranges. The mean weight was 345 g. The total weight was 2070 g. How many oranges did she weight?

    (SHOW ALL THE WORKINGS)
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