Answer: number of adults = 3, number of children = 5
Step-by-step explanation:
let the number of adults be x, and the number of children be y.
x + y = 8 , 15x + 8y = 85
1st equation x 8 = 8x + 8y = 64

substitute x=3

Answer:
4520 yards
Step-by-step explanation:
2 miles=3520
3520+1,000=4520
Answer:
second
Step-by-step explanation:
4(x+2y) (x-2y)
hope this helps
23,000 because when you subtract 500 from 23,500 you get 23,000. ❤️