Answer
Let x be the number of tickets sold to adults and y the number sold to students:
x + y = 315. But we know that y was double x, then :
y = 2x
Plug the value of y (in the 1st equation) by 2x:
x+ 2x = 315
3x = 315
and x = 105 (which is the number of tickets sold to adults
Answer:
Is it A???
Step-by-step explanation:
The given question is 8+13+18+...... which is in arithmetic progression . And for arithmetic series, we have to use the following formula for nth term .

Here a =8 , d=5
So we get

And the required expression for n=7 is

The answer would be c. the number of packages of corn purchased
Answer:
5/12 or 0.416667
Step-by-step explanation:
Plug in the values for x and y.
8(1/3) - 3(3/4)
Evaluate.
8/3 - 9/4
32/12 - 27/12
= 5/12