2x+3 + 3x-4 + 2x+3 + 3x-4 = 78
10x -2 = 78
10x = 80
x=8
deck is 2(8)+3 by 3(8)-4, or 19 by 20
Answer:
x = 19.5
Step-by-step explanation:
-2x + 7 = -32 (subtract 7 on both sides)
-7 -7
-2x = -39 (Divide by -2)
x = 19.5
Answer:
500- (m*20)=?
Step-by-step explanation:
First, add the number of total male and female students.
216 + 207 + 198 + 194 = 815 males
193 + 214 + 197 + 201 = 805 females
Second, add to find the total number of students.
815 + 805 = 1620
Third, create a ratio from females to total students
805/1620
Fourth, simplify the fraction.
805/1620 → 161/324
Therefore, the answer is A.
Best of Luck!
