Answer:
7.75
Step-by-step explanation:
Answer:
10x-20
Step-by-step explanation:
5(2x-4)
5x2=10
5x4=20
Answer: for 9 attendees it would cost $18
Step-by-step explanation: First you have to find the unit rate. So for every 7 attendees it costs $14, divide them both by the GCF which is 7. 14÷7=2
7÷7=1
So for every 1 attendee it is $2.
Now to figure out how much it would cost for 9 attendees, figure out what you have to do to 1 to get 9. Multiply it by 9.
And whatever you do to one number you have to do for the other. So $2 • 9 = $18
So for every 9 attendees it costs $18.
you would do PEMDAS
you do -3 times 4. then you do that and devide by -3.
The same line is written in two different forms
