Let 2x=student tickets
Let x=adult tickets
2x+x=408
3x=408
x=136
2x=272
Number of student tickets sold:272
Number of adult tickets sold:136
Answer:
Triangles ABC and DCB are congruent by SAS
Step-by-step explanation:
Angle CAB is congruent to angle CDB. Side DB is congruent to side AC. Then Ab is congruent to side CD.
The formula is y=MX+b so m=3/2 b=-1
The answer is D. x < 5.
9x+27 <72
9x <72-27
9x <45
x <45÷9
x <5