1 Answer

Kenneth Mwangi · Answer 1 · 2022-10-10T06:07:27+0000

Answer:

$1200

Explanation:

S + C = 1200

S = C + 900

C + 900 + C = 1200

2C + 900 = 1200

2C = 300

C = 150

The chair costs $150. The sofa is $1050.

Together they cost $1200.

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