The sale of a particular brand of a mobile phone in a store decreased by 8% when compared to the previous month. If the store sells 1840 mobile phone in the current month, find the number of mobile phones sold in the previous month.
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Answer:
2000
Step-by-step explanation:
let's take the number of mobile phones sold in the previous month = x
* is multiplication sign because we can get confused if we use x for multiplications sign
so x- 8/100 * x = 1840. now we can solve for x
x/1 -8x/100 =1840
100x-8x = 1840 * 100
92x = 1840* 100
x = 1840*100/92= 20 * 100= 2000
Therefore the number of mobile phones sold in the previous month is 2000
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