Answer:
Nine
Step-by-step explanation:
3 dollars for children tickets : x
5 dollars for adult tickets: y
Equation is:
3x+5y=57
Where 57 is the total amount spent
x+y=15
where 15 is the total number of tickets bought
3x+5y=57
5(x+y)=5(15)
___________________
3x+5y=57
5x+5y=75
minus the equations top to bottom=
-2x= -18
x= -18/(-2)
x=9
He bought a total of 9 children tickets
Answer:
the second one is considered a bad habit as those receipts can come in handy one day
Step-by-step explanation:
The degree is the power........so it is 3.
x would have an understood power of 1 and the y is 2.
Answer:
25
Step-by-step explanation:
65+A=90
A=90-65=25