SOLUTION: Could someone help with this please? Thanks. The football coach shuddered when he realized that the ratio of the dextrous to the inept was 3 to 7. If 140 players were trying to ma

Question 547129: Could someone help with this please? Thanks.
The football coach shuddered when he realized that the ratio of the dextrous to the inept was 3 to 7. If 140 players were trying to make the team, how many were dextrous?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
the ratio of the dextrous to the inept was 3 to 7. If 140 players were trying to make the team, how many were dextrous?
:
Let x = no. of dextrous
then
(140-x) = no. of inept
:
A ratio equation
=
Cross multiply
7x = 3(140-x)
7x = 420 - 3x
7x + 3x = 420
10x = 420
x = 42 dextrous ones
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