Answer:
m=700+40x+50x-200
Step-by-step explanation:
m= amount of money in troy's account
x= amount of months elapsed
40 goes into 120 3 times, so the answer would be 120 - 40.
Which leaves you with 80 people still at the party.
Label the number line, put a filled in circle on 2 and make it go left. Then put a clear circular on 2 and make it go right.
