21-05-2020
Mathematics

contestada

1) AL'S PLUMBING SERVICE CHARGES $35 PER
HOUR PLUS $25 TRAVEL CHARGE FOR A SERVICE
CALL, BOB'S PLUMBING REPAIR CHARGES $40
PER HOUR FOR EACH SERVICE CALL AND NO
TRAVEL CHARGE. HOW LONG MUST A SERVICE BE
FOR THE TWO COMPANIES TO CHARGE THE
SAME?

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22-05-2020

Answer:

Step-by-step explanation:

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