Use simultaneous equations:
2x + 7 = x^2 + 8x - 9
7 = x^2 + 6x - 9
16 = x^2 + 6x
+ or - 4 = 7x
answer is
-4/7 or 4/7
8:15 or 8 to 15 would be the ratio because you compare 8 quarters to 15 coins.
Less than or equal to 121 adult tickets.
You would do 1180.10/9.70
Which equals 121
Since we don't know how many children tickets were, sold it could be less than or equal to 121.
That is called the Origin , where the number 0 is.
Answer:
50%
Step-by-step explanation:
