Problem of the Day Jan. 29, 2018 Bob had $40.00 saved for a new bike. Four weeks later he had saved $68.00. At what rate of change did Bob’s savings.

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Problem of the Day Jan. 29, 2018 Bob had $40.00 saved for a new bike. Four weeks later he had saved $68.00. At what rate of change did Bob’s savings grow?

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