SOLUTION: Willis scores an average of 7 foul shots out of every 10 attempts. At the same rate how many shots would he score in 200 attempts?

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Question 120667: Willis scores an average of 7 foul shots out of every 10 attempts. At the same rate how many shots would he score in 200 attempts?
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
7 is to 10 as x is to 200
7%2F10=x%2F200
20%2A7=x (Multiply both sides by 200, divide 200 by 10)
140=x
Or, consider the fact that there is a 7%2F10=70% success rate. If this rate continues, we would expect .7%2A200=140.