Does anyone know how to do reverse percentages?
2 answers:
First, calculate the reduction of the price
reduction = normal price - sale price
reduction = 57 - 41.6
reduction = 15.4
The price decreased £15.4
Second, change the reduction of the price into percentage
percent = reduction/normal price × 100%
%
%
%
percent = 27.01%
The percentage reduction is 27.01% or approximately 27%
reduction = normal price - sale price
reduction = 57 - 41.6
reduction = 15.4
The price decreased £15.4
Second, change the reduction of the price into percentage
percent = reduction/normal price × 100%
percent = 27.01%
The percentage reduction is 27.01% or approximately 27%
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Answer:
2/45
Step-by-step explanation:
0.04... is the same as 0.1 * 0.4... because we are moving it up a decimal place, it's the same as multiplying by ten: we needed to multiply by a tenth to cancel that out. 0.4... is the same as 4/9 and 0.1 is the same as 1/10. We can rewrite the expression above as: . Multiplying the two fractions results in 4/90 which can be simplified to 2/45.