Question
Download Solution PDF? % of 150 + 250 = 280
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
? % of 150 + 250 = 280
Formula used:
we use the formula:
percentage × base + constant = result
Where,
percentage = ? (unknown), base = 150, constant = 250, result = 280
Calculation:
Let's denote the unknown percentage as x.
Therefore, the equation becomes:
x% of 150 + 250 = 280
Converting the percentage to a decimal:
x/100 × 150 + 250 = 280
Solving for x:
x/100 × 150 = 280 - 250
x/100 × 150 = 30
x/100 = 30/150
x/100 = 1/5
x = 1/5 × 100
x = 20
∴ The unknown percentage is 20.
Hence Option (1) is correct.
Last updated on Mar 27, 2025
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