Posted by Chris - Please help anybody on Friday, January 25, 2013 at 7:07pm.
I need help please. I answered (c)incorrectly.
Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your answer to the nearest hundredth of a second.
Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your answer to the nearest hundredth of a second.
(a)2 minutes and 2.91 seconds
(b)2 minutes and 1.97 seconds
(c)2 minutes and 2.22 seconds
(d)2 minutes and 2.28 seconds
- 8th Grade Math - Damon, Friday, January 25, 2013 at 7:29pm
1 : 59.53 = 119.53 sec
1.0225 times as long
119.53 * 1.0225 = 122.22 seconds
2 min = 120 s
so 2 min 2.22 seconds which is c
- 8th Grade Math - Chris - Please help anybody, Friday, January 25, 2013 at 7:55pm
I answered (c) and got it wrong
- 8th Grade Math - Ms. Sue, Friday, January 25, 2013 at 7:57pm
Damon is probably right. Please check with your teacher to find out how to do this problem.
- 8th Grade Math - bobpursley, Friday, January 25, 2013 at 9:20pm
I got c also.
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