Answer:
The correct answer is 20.0% increase.
Explanation:
In this situation, you would need to find how to find the percentage of change.
Therefore, you will need to first use subtraction, division and then multiplication to justify your answer.
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First, find out how much the original number increased by.
Next, divide the 70 with the original number, which is 350.
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Finally, to turn your decimal into a whole number, multiply by 100.
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Remember to add the percent (%) symbol after receiving your final product.
20%