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Question 1189650: A high school cross country team sent 25 percent of its runners to a regional competition. Of these, 10 percent won medals. If 2 runners earned medals, how many members does the cross country team have?
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! A high school cross country team sent 25 percent of its runners to a regional competition.
Of these, 10 percent won medals.
If 2 runners earned medals, how many members does the cross country team have?
:
Let n = no. of members in the team
Use the decimal equiv of per cent
:
.10(.25n) = 2
.025n = 2
n = 2/.025
n = 80
:
:
Check, 25% of 80 is 20, 10% of 20 is 2
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