The correct answer for the question that is being presented above is this one: "D. 3 and 60." The means of the proportion is 15 and 12. <span>The </span>means-extremes<span> property of </span>proportions<span> allows you to cross multiply, taking the product of the </span>means and setting them equal to the product of the extremes<span>. </span>
First step : 2(2))+5\2 -2(2))+3\2 =9\2 -7\2 =2\2 =1
B) 50+36×=$212 ; 4.5. That is the answer.
