when new bridge was paid the average time taken by the boys to go from go to cities decreases from 50 minutes to 40 minutes what is the average decrease percentage time taken for boys to go to cities
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Answer:
20% decrease
Step-by-step explanation:
Decrease% = (Old number - New Number) * 100
______________________
Old Number
= (50 - 40)/50 *100
= 10 * 2
= 20%
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