600 , 000 − 500 , 000 = 100 , 000 500 , 000 100 , 000 ⋅ 100% = 5 1 ⋅ 100% = 20% ← so l u t i o n
The magazine sales increased from 500,000 to 600,000, resulting in a change of 100,000 sales. This change is a percentage increase of 20%. Understanding this percentage can help assess the performance and growth of the magazine's sales over the week.
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