Answer:
7x+9y=45
Step-by-step explanation:
When he buys lottery tickets he spends $10, he gets $7 back in winnings so he actually spends $3 on lottery tickets.
17.01+3=20.01
100-20.01=79.99
He would receive $79.99 in change
Answer:
40+5x=y
60+3x=y
Step-by-step explanation:
The first park is 40+5x
The second park is 60+3x
Now set them both equal to y