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put this solution on YOUR website!In 2006, the # of Americans who were members of a health club was 42.7 million.
This was an increase of 106% from th enumber of health club members in 1990.
How many Americans were Health club members in 1990?
:
The decimal equiv of 106% = 1.06
:
Let x = no. in 1990
;
original amt + the 106% increase = 42.7 million
x + 1.06x = 42.7
2.06x = 42.7
Divide both sides by 2.06
x =
x = 20.7 million in 1990
;
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