Answer
b 32
c 50
Step-by-step explanation:
Answer x= 2
3x + 8 = 14
To solve subtract 8 from both sides to isolate x
3x = 6
Now divide both sides by 3 to solve for x
X = 2
The hourly pay before the increase for marta and khalid is 21 and 17.5.
Given:
the ratio of martas hourly pay to khalids hourly pay is 6:5 both marta and Khalid get an increase of 1.50 in their hourly pay The ratio of Martas hourly pay to Khalid hourly pay after this increase is 13:11
Let x and y be the hourly pay before increase
x/y = 6/5
x = 6/5*y
x + 1.50 / y + 1.50 = 13/11
11(x+1.50) = 13(y+1.50)
11x + 16.5 = 13y + 19.5
11(6/5*y) = 13y + 19.5 - 16.5
66y/5 = 13y + 3.5
66y - 13*5y / 5 = 3.5
66y - 65y = 17.5
y = 17.5
x = 6/5*17.5
= 105/5
x = 21
Learn more about the ratio here:
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Answer:
Step-by-step explanation:
Let <em>P(A) </em>be the probability that goggle of type A is manufactured
<em>P(B) </em>be the probability that goggle of type B is manufactured
<em>P(E)</em> be the probability that a goggle is returned within 10 days of its purchase.
According to the question,
<em>P(A)</em> = 30%
<em>P(B)</em> = 70%
<em>P(E/A)</em> is the probability that a goggle is returned within 10 days of its purchase given that it was of type A.
P(E/B) is the probability that a goggle is returned within 10 days of its purchase given that it was of type B.
will be the probability that a goggle is of type A and is returned within 10 days of its purchase.
will be the probability that a goggle is of type B and is returned within 10 days of its purchase.
If a goggle is returned within 10 days of its purchase, probability that it was of type B:
So, the required probability is 
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