SOLUTION: In 1998, the womens world record for the 100-meter free-style in swimming was 54.73 seconds. The records time has been decreasing by approximately 0.33 seconds a year. The men's r

Question 385265: In 1998, the womens world record for the 100-meter free-style in swimming was 54.73 seconds. The records time has been decreasing by approximately 0.33 seconds a year. The men's record was 49.36 seconds and has been decreasing at about 0.18 seconds a year. If both records continue to decrease at these same rates, in how many years will the men and women have the same record time?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
In 1998, the womens world record for the 100-meter free-style in swimming was 54.73 seconds. The records time has been decreasing by approximately 0.33 seconds a year. The men's record was 49.36 seconds and has been decreasing at about 0.18 seconds a year. If both records continue to decrease at these same rates, in how many years will the men and women have the same record time?
...
1998 women 54.73
0.33 seconds/year reduction.
..
Men = 49.36
0.18 seconds /year reduction.
...
In 1998 the difference in record time = 54.73-49.36= 5.37 seconds.
...
catch up time = 0.33-0.18=0.15 seconds
..
5.37/0.15= 35.8 years
m.ananth@hotmail.ca
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