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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Answer: I Don't know this sorry
Step-by-step explanation:
Answer:15/31
Step-by-step explanation: because there are 31 kids in all and 15 of them are boys so 15/31
Answer:
Tanungin mo si face para malaman mo
Answer:
200 × 20 = 4000
speed of the dog is 4000 m/s