Mary and Julie both have a goal of raising $1000 for charity. Mary raises $12 every 4 days. Julie raises $19 every 6 days.
2 answers:
Mary would have a rise of 12 and a run of 4, making her slope, or rate of change, $3 a day. Julie would have a rise of 19 and a slope of 6, making her slope, or rate of change, $3.17 a day. Since Julie is raising money at a faster rate, she would get to the goal of $1000 first.
2 years ago
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Julie would reach her goal first. Julie would reach her goal in approximately 316 days while it would take Mary approximately 333 days to reach it. I know this because the steps to solve the problem are: 1.) 1,000/12 = 83.333 (to find how many days it would take her everyday) 2.) 83.333x4 = 333 (multiplying the answer by four makes it every four days) 3.) determine that it takes Mary 333 days 4.) 1,000/19 = 52.631 (just like step 1 but with different numbers) 5.) 52.631x6 = 316 (just like in step 2 but different numbers) 6.) determine it takes Julie 316 days 7.) 316 < 333 (takes Julie less time)
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