In 2010 the number of buses in operation decreased from 1420 10 1000. But in 2011 numbers of buses in operation increased from 1000 to 1500. Find the Percentage increase and percentage decrease in the number of buses.
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Answer:
Percentage Increase:
50%
Percentage Decrease:
30%
Step-by-step explanation:
(1500-1000)÷1000×100
=500÷1000×100
=500/1000×100
=½×100
=1/1×50
=50/1
=50
(1000-1420)÷1420×100
=(-420)÷1420×100
= -420/1420×100
= -105/355×100
= -21/71×100
= -2100/71
= -29 41/71
= -29.57
= -30
=30