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42 votes
42 votes
120 is increased by b% then increased by 25%. What is the result?

User Sean Moubry
by
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1 Answer

20 votes
20 votes

Answer:

150 + 1.5d

Explanation:

increase 120 by d%

d% = d/100

So, increasing 120 by d % means

120 + (d/100 * 120)

= 120 + 1.2d

Then increase this by 25%

= (120 + 1.2d) + 25/100(120 + 1.2d)

= 120 + 1.2d + (120+1.2d)/4

= 120 + 1.2d + 30 + 0.3d

= 120 + 30 + 1.2d + 0.3d

= 150 + 1.5d

User Doug Wilhelm
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3.8k points