The ratio of students to teachers is 27:2 means the number of students can be 27x and the number of teachers is 2x. The sum of them is 754. 27x + 2x = 754 29x = 754 x = 26 Hence, the number of teachers...
The sum: + Three fourths of a number a: 3/4 a and 24: +24 is: = Negative 9: -9 The equation is: 3/4 a + 24 = -9 3/4 a =-9-24 3/4 a = -33 a = -33 * 4/3 a = - 44 The answer is A.
Twenty : 20 is: = 7 less than twice the number w: 2w - 7 The answer is: 20 = 2w - 7 Good luck
Find the traveled distance: 5.25 h * 60 mi/h = 315 mi Find the amount of gas consumed: 315 / 35 = 9 gallons Subtract from the full tank: 12-9=3 Gallons left Answer: A Good luck
Also complex numbers lesson is not included any more in digital SAT
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