65-20 = 45
45/.75 = 60 miles
I hope this isn't to vague
For the first one ,
Let no. Of child be x
And adults are y
So, 210x+315y=2205
And other eqn will be, X+y= 9
By solving, x=6 , and thus y will be 3
So, no of children are 6 and no of adults are 3 !!
Answer:
The answer is 135
Step-by-step explanation:
The interest is 30 dollars I believe.