If a device's data usage increases by 25% from 40 GB, what is the new usage?

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Study for the ATandT Information Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

If a device's data usage increases by 25% from 40 GB, what is the new usage?

Explanation:
Understanding percent increases: you take the original amount and add the increase expressed as a percentage of that original amount. Here, start with 40 GB and increase by 25%. Calculate 25% of 40 GB: 0.25 × 40 = 10 GB. Add that to the original 40 GB to get 50 GB. So the new usage is 50 GB. The other numbers correspond to different increases (60 GB would be a 20 GB increase, 70 GB a 30 GB increase, 45 GB a 5 GB increase), not the 25% increase given.

Understanding percent increases: you take the original amount and add the increase expressed as a percentage of that original amount. Here, start with 40 GB and increase by 25%. Calculate 25% of 40 GB: 0.25 × 40 = 10 GB. Add that to the original 40 GB to get 50 GB. So the new usage is 50 GB. The other numbers correspond to different increases (60 GB would be a 20 GB increase, 70 GB a 30 GB increase, 45 GB a 5 GB increase), not the 25% increase given.

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