A) 230
B) 130
C) 430
D) 330
Correct Answer: D
Solution :
Number of articles sold by three schools \[=\left( 40+50+20 \right)+\left( 25+40+30 \right)\] \[+\left( 35+50+40 \right)\] \[=110+95+125=330\]You need to login to perform this action.
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