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Mathematics, 22.01.2021 23:00 safelix1260

In June, the Zavala family's NIPSCO bill was $150. In July their NIPSCO bill was $180. Mrs. Zavala said that the bill increased by 30%. Mr. Zavala said it increased by 20%. Who is correct?

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In June, the Zavala family's NIPSCO bill was $150. In July their NIPSCO bill was $180. Mrs. Zavala s...

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