2 years ago

The amounts that two plumbers charge for their services are described.

Mathematics

1 answer:

Solnce55 [7]2 years ago

8 0

Answer:

See below.

Step-by-step explanation:

40 + 15x = 30 + 19x

15x - 19x = 30 - 40

-4x = -10

x = 2.5

Two and a half hours.

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