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Find the result when 30 is decreased by 85%. ...?
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Find the result when 30 is decreased by 85%. ...?
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Jan 9, 2017
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Find the result when 30 is decreased by 85%. ...?
Mathematics
high-school
Nicholas Terry
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Nicholas Terry
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We can first change 85% in the decimal form:
85 % = 0.85
30 x 0.85 = 25.5
30 - 25.5 =
4.5
Or we can do it another way :
30 x ( 1 - 0.85 ) = 30 x 0.15 =
4.5
Azerafati
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Jan 13, 2017
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Azerafati
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