9x + 3 = 7x +19
2x + 3 = 19
2x = 16
x = 8
So, x (8) is the number of chairs in each row with these setups.
Plug 8 into one of the equations and you will find how many chairs total there are.
9(8) + 3 = 75
There are 75 chairs total
Answer:
No probllem linked
Step-by-step explanation:
Answer:
A.) 5 x 2.80 B.) 100
Step-by-step explanation:
14/2.80=5 which is how many gallons
5 x 20 = 100 for the miles
CY is one third of SY; 33/3=CY; CY=11;