150% of 15 + 75% of 75 = ?
Explanation:
150% of 15 + 75% of 75
= 150/100 × 15 + 75/100 × 75
= 3/2 × 15 + 3/4 × 75
= 45/2 + 225/4
= 22.5 + 56.25
= 78.75
Hence, option (b).
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