The answer is 10. If you replace the number letters with the numbers you get 6 + 10 / 2 - 1. Then you follow PEMDAS, so first divide 10 with 2 to get five (6 + 5 - 1). Add 6 and 5 to get 11 and subtract 1 to get the final answer of 10.
Draw out a small graph and count the units of each side, then add all four numbers to get the perimeter.
126 miles = 2 hours
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2 2
63 miles = 1 hour
* 3
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Answer: 189 miles in 3 hours.
Y = 3x² - 9x + 12
y' = 6x - 9 = 0
6x = 9
x = 9/6 = 3/2
Daily team meeting is 20 minutes
=> total meeting time = 20 / 20% = 20/20 * 100 = 100 minutes
=> total working time = 100 / 20% = 100/20 * 100 = 500 minutes = 7 hours and 10 minutes
So if he starts at 7:30 am, he would be done at 14:40, which is 2:40 pm
