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Lawyer Fees

SATMAT-W0LNHC

Lawyer $A$ charges a flat ${\$50}$ fee plus ${\$100}$ per hour for her services. Lawyer $B$ charges a flat ${\$100}$ fee plus ${\$75}$ per hour for his services.

How many hours of work would cause them to charge the same about of money?

A

$1\text{ hour}$

B

$3\text{ hours}$

C

$2\text{ hours}$

D

$10\text{ hours}$