Question 905718
(a)
Paul's Plumbing:
{{{ C = 90 + 40h }}}
Perfect Pipes:
{{{ C = 60 + 55h }}}
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(b)
{{{ h = 3 }}}
Paul's Plumbing:
{{{ C = 90 + 40*3 }}}
{{{ C = 90 + 120 }}}
{{{ C = 210 }}}
Perfect Pipes:
{{{ C = 60 + 55h }}}
{{{ C = 60 + 55*3 }}}
{{{ C = 60 + 165 }}}
{{{ C = 225 }}}
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