SOLUTION: A local race for charity has taken place since 1993. Using the actual speeds of the winners from 1993 through 1998, mathematicians obtained the formula, y= 0.18x+5 in which x repre

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Question 1171862: A local race for charity has taken place since 1993. Using the actual speeds of the winners from 1993 through 1998, mathematicians obtained the formula, y= 0.18x+5 in which x represents the number of years after 1993 and y represents the winning speed in miles per hour. In what year is the winning speed predicted to be 7.16 mph?
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Answer by ikleyn(52814) About Me  (Show Source):
You can put this solution on YOUR website!
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    0.18x + 5 = 7.16


    x = %287.16-5%29%2F0.18 = 12.    


ANSWER. 12 years after the year of 1993.

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