Answer:
2/7
Step-by-step explanation:
Even numbers: 6, 8, 10, 20
P(E1) = 4/7
P(E2) = 3/6
4/7 × 3/6
"C" =14
14+(-12)=-12+c
-12+c=14+(-12)
-12+c=14-12
-12+c+12=2+12
c=14
7 = 3x − 1