Which rate is greater? 18 pages in 36 minutes or 20 pages in 30 minutes. Explain your resoning
2 answers:
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First of all we can draw a parallel line to divide the figure into a triangle and a rectangle as shown in the figure. To find the area of our rectangle, remember that the area of a rectangle is length times width, so 
. Since we know for our figure that the length and width of our rectangle are 13cm and 6cm respectively, lets replace those values in our formula to get its area:
Similarly, the area of a triangle is one half times base times height, so
. Since we know that our base is 8cm and our height 6cm, lets replace those values in our equation to find the area of our triangle:
Now the only thing left is add our areas:
We can conclude that the correct answer is <span>A. 102</span>
Similarly, the area of a triangle is one half times base times height, so
Now the only thing left is add our areas:
We can conclude that the correct answer is <span>A. 102</span>