A painter has painted one-third of a rectangular wall which is ten feet high. When he will paint another 75 square feet of that wall, he will have finished three-quarters of the job. What is the length (the horizontal dimension) of the wall?
A. 18 feet
B. 12 feet
C. 10 feet
D. 9 feet
সঠিক উত্তরঃ
A.
18 feet
Explanation:
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