Answer: 45
Step-by-step explanation: 21 x 3 = 63, because 3x3 is 9. 9 tickets with a $2 discount would mean you take off $18, so I believe the answer would be 63-18=45.
Answer:
1.75
Step-by-step explanation:
0.009÷0.004-=
2.25-0.5=
c
32
,
48
72
108
,162
or -0.375
