Question
30% of 200 – 20% of 50 = 10% of
?Solution
30% of 200 – 20% of 50 = 10% of ?
0.10 × ? = 0.30 × 200 – 0.20 × 50
0.10 × ? = 60 – 10
0.10 × ? = 50
? = 500
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