Answer:
72
Step-by-step explanation:
12 x 2 = 24
12 x 3 = 36
12 x 1 = 12
24+36+12 = 72
Answer: 5 years
14,800 students enrolled
Step-by-step explanation:
Let x represent the number of years and
Let y represent the number of students enrolled
College A: y = 12,300 + 500x
College B: y = 18,550 - 750x
Use substitution Method to solve:
12,300 + 500x = 18,550 - 750x
+750x +750x
12,300 + 1250x = 18,550
-12,300 -12,300
1250x = 6250
x = 5
Input x = 5 into one of the equations to solve for y.
y = 12,300 + 500x
= 12,300 + 500(5)
= 12,300 + 2500
= 14,800
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Answer:20- 2 x (5 +2)
Step-by-step explanation:
20 - 2 x (5 + 2)
20 - 2 x (7)
20 - 14
6
Answer:
4/75 or 0.05333
Step-by-step explanation:
3+4+2+6=15 elements
2/15= probability to choose a black
6/15 = probability to choose a yellow cube
Probability to choose a black AND (*) a yellow = 2/15*6/15=12/225=4/75 or 0.05333
.78 will be 78% and 3/11 will be 27% hope I helped!
