Answer:
The simplified expression is : -9c +1
Step-by-step explanation:
The like terms are -8c and -c
The constant term is 1
The simplified expression is :
-8c + -c + 1 = -9c +1
8X3 equals 24
3x 8 equals 24
Eight rows of 3 =24
3 rows of 8 = 24
The number of chairs that still need to be set up are 150.