Answer
Answers:
$25+0.10(m-500)\geq30$; 27.5
Work Step by Step
$25+0.10(m-500)\geq30$
Cost of bill=25+0.10(m-500)
$25+0.10(525-500)$
$25+0.10(25)$
$25+2.5=27.5$
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