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Posted by on Tuesday, November 6, 2012 at 6:44pm.

Sunny received 90 on his math test. If he got x number of 3 point problems and y number of 5 point problems correct, write an equation for y in terms of x. Also write an equation for x in terms of y

  • Algebra - , Tuesday, November 6, 2012 at 8:53pm

    3x + 5y = 90

    y = (90-3x)/5
    x = (90-5y)/3

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