108 minutes because 50 percent of 240 is 120 so take 5 percent away and it is 108
X57 I think no just doing this for points so made a random number lol
Answer:
D.
Step-by-step explanation:
In order to eliminate, the numbers must eliminate. If the second equation is multiplied by 3, then the 3 and the -3 can be eliminated. Since it is multiple choice, we can plug in x = 12 and y = 10 to see if they are correct. 12 + 30 = 42 and 24 - 10 = 14, so D is correct.
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Hope it helps, good luck
