Answer:
OR...
0.233333333
Step-by-step explanation:
Least common multiple of 10 and 15 is 30. Convert
and
to fractions with denominator 30.

Since
and
have the same denominator, add them by adding their numerators.

Add 3 and 4 to get 7.

Answer:
6 p.m.
Step-by-step explanation:
If you set them equal to each other, then x^2 - 2x + 3 = 2x + 12:
x^2 = 9
x = -3, 3
Answer:
To inform
Explanation:
It sounds like they're writing something informational and including a map. If what they're writing is very factual in nature then the purpose is to inform. If it's more telling a story then it's to entertain. If it's debating on a topic then it's to persuade. I hope this helps you.
3S + 8A = 1000
S + A = 150 ---> A = 150 - S
3S + 8(150 -S) = 1000
3S + 1200 - 8S = 1000
1200 - 5S = 1000
-5S = -200
S = -200/-5 = 40
40 student tickets
110 adult tickets
CHECK:
40*3 + 110 * 8 = 120 + 880 = 1000