I think that it is c or d but correct me if i am wrong

Length of the room is 5 m and width is 5 + 2 = 7 m.
Hope this helps.
r3t40
Answer: 39
Step-by-step explanation:
6(8-3)+3(7-4) 1. Make sure to multiply what's in the parentheses first.
6(5)+3(3) 2. Multiply before you add the coefficients
30+9 3. Add
Answer is 39
m=number of miles
A=$110+$0.50m
B=$80+$0.80m
$110+$0.50m=$80+$0.80m Subtract ($80+$0.50m)
$30=$0.30m Divide each side by $0.30
100=m ANSWER: More than 100 miles must be driven per day to make Company A a better deal.