133 adult tickets were sold.
Step-by-step explanation:
Given,
Total tickets sold for school play = 399
Let,
x represent the number of children tickets sold.
y represent the number of adult tickets sold.
According to given statement;
x+y=399 Eqn 1
x = 2y Eqn 2
Putting value of x from Eqn 2 in Eqn 1

Dividing both sides by 3

133 adult tickets were sold.
Keywords: linear equation, substitution method
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The formula for circumference is 2×pi × r
We are given the diameter of 2 meters which means the radius is 1 meter. We will use 3.14 for pi.
2 × pi × r =
2 (3.14)(1) =
6.28
The distance around the barbecue pit is
C. 6.28 meters
Answer:
380
Step-by-step explanation:
285 / x = 75 / 100
Cross multiply 28500 = 75x
Divide by 75 380
Firstly, seeing that the sequence is based on odd numbers I would say that this is the formula (which will allow you to know whatever term):
nth term = 2n-1
Hope this helps!