Step 1
Find out how many chairs are already taken. Multiply the tables by the chairs

Step 2
By using proportion find the percentage

therefore
the answer is
%
Answer: m = 55h
m = number of miles
h = number of hours
I'm using the formula distance = rate*time
Answer: x=17z/4(3z+4)-7/2(3z+4)
Step-by-step explanation:
Answer:
8, see below
Step-by-step explanation:
put 13 and 1/2 in equation, then solve
13-.75(12)+8(1/2)
.75×12=9
8×.5=4
13-9+4=8