Find the formula of a Base
Convert 30% to decimal by dividing 100%
Find the formula of a Rate
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Verified answer
P.R.B
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1. 30% of n is 1.8
Given:
Find the formula of a Base
B = Percentage
Rate
B = 1.8
30%
Convert 30% to decimal by dividing 100%
30% ÷ 100% = 0.30
B = 1.8
0.30
B = 6
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2. 240 is n% of 400
Given:
Find the formula of a Rate
R = Percentage × 100
Base
R = 240 × 100
400
R = 0.6 × 100
R = 60%
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3. 24 is 30% of n
Given:
Find the formula of a Base
B = Percentage
Rate
B = 2.4
30%
Convert 30% to decimal by dividing 100%
30% ÷ 100% = 0.3
B = 24
0.3
B = 8
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