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Question: Charlie scored 70 out of 100 in a math test and Jake scored 75 out of 125 in another math test. Who between them scored better?


A ) Charlie
B ) Jake
C ) Both the two
D ) None of the above

Steps to derive

6 The fraction of points Charlie scored in the math test he took is 70100 = 710
 [Simplify.]

7 The fraction of points Jake scored in the math test he took is 75125 = 35
 [Simplify.]

8 The fractions to be compared are 710 and 35.

9 The LCM of the denominators 10 and 5 is 10, so the LCD of 710 and 35 is 10 .

10 710 = 710 and 35 = 610
 [Write equivalent fractions with a denominator of 10.]

11 7 > 6
 [Compare the numerators as the denominators are equal.]

12 710 > 35
 [Compare the fractions.]

13 Charlie scored better than Jake.



Hence the right answer is Option A

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