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:
Im not sure but i think it is 42
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
the decimal would have to move 9 times from the zero position to get to between 5 and 8.
so 5.82 x 10^9
We have to find the area first
12 x 18=216 square feet
we do 216* $ 1.39= $ 300.24