Posted by **Abby** on Monday, November 15, 2010 at 10:51pm.

Rae runds a mile 20 times. Her average time is 5.2 mins. She wants to drop her slowest time 5.8 mins and find the ew average. Write and equation to find are her new average running time

- Math -
**Ms. Sue**, Monday, November 15, 2010 at 10:56pm
Please check your figures. I think you have an error:

"drop her slowest time 5.8 mins"

Did you leave some words out?

- Math -
**Abby**, Monday, November 15, 2010 at 11:02pm
Nope

- Math -
**Ms. Sue**, Monday, November 15, 2010 at 11:10pm
If you mean that her slowest time is 5.8 minutes,

20 * 5.2 = 104

104 - 5.8 = 98.2

98.2 / 19 = 5.16824 = 5.2

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