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A plumber charges a ​$70 flat rate for all home repairs. His hourly rate is​ $15 per half hour. How much would a 2 hour and 26 min plumbing bill​ cost?

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lovebug2025

Answer:

$143

You multiply 15 by 4 = 60

add 70 = 130

divide 30 and 15 = .50

multiply 26 by .50 = 13

add 130 and 13 = 143

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