SOLUTION: Spankey answered 30 questions correctly on a 55-question math test. Using this ratio, approximately how many questions will he get right on a 75 question test?

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Question 277532: Spankey answered 30 questions correctly on a 55-question math test. Using this ratio, approximately how many questions will he get right on a 75 question test?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: Set up the proportion 30%2F55=x%2F75 (the numerators are the amount correct over the denominators which represent the total number of questions) and solve for 'x' to find the number of questions he'll get right on a 75 question test.