We know 445 employees take the train, and that 321 of these exclusively take the train. So 445 - 321 = 124 take both the train and bus.
Now, if
is the set of employees that take the bus and
the set of employees that take the train, then
where
is the number of employees belonging to a general set
.
So the probability that an employee takes either the bus or train is
Answer: The dimensions of the garden would be 18 feet and 24 feet.
Step-by-step explanation:
Let the width of garden be 'x'.
Let the length of garden be 
Since there is 3 foot wide walkway surrounds the outside the garden.
Area of walkway = 288 square feet
So, According to question, it becomes,
Width = 18+6 =24 feet
Hence, the dimensions of the garden would be 18 feet and 24 feet.
Answer:
There are 25 students in the class.
Step-by-step explanation:
Let x be the number of students in the class
12% failed and the number of students is 3
x*12% = 3
x*.12 = 3
Divide each side by .12
x * .12 /.12 = 3/.12
x =25
There are 25 students in the class
Answer:
314.16 cm squared
Step-by-step explanation:
4(7y + x) = 4
solve for x = 0
4 × 7y = 4
28y = 4
divide by 28
/28 /28
y = 4 / 28
y = 1/7.
