Total marbles = 2 + 7 = 9
P(Purple, then white) = (7/9)(2/8) = 7/36
Answer: 7/36
<span>If points R and S are contained in a plane, then RS is entirely contained in that plane.</span>
Answer:
The value of x = -12
Step-by-step explanation:
Given:
Equation;
-14x=168
Find:
The value of x
Computation:
-14x = 168
Divided -14 from both side
-14x / 14 = 168 / 14
- x = 12
The value of x = -12
Answer:
here your answer
Step-by-step explanation:
let cp of one pen be x
cp of 5 pen = 5x
cp of 5 pen = sp of 4 pen
5x = sp of 4 pen
4x = cp of 4 pen ( cp of 1 pen = x)
profit = 5x-4x
= x
profit % = profit / cp ×100 = x/4x × 100
= 25 %