Question
60% of 180 – 30% of 60 = 15% of
?Solution
60% of 180 – 30% of 60 = 15% of ?
0.15 × ? = 0.60 × 180 – 0.30 × 60
0.15 × ? = 108 – 18
0.15 × ? = 90
? = 600
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