Answer:
80%
Step-by-step explanation:
What I did was just play with the numbers. But first, you'd multiply 6.00 time 3 because it's for the three people. Then just multiply 18 with .8 and bingo! The answer you get is 14.40, so the discount would be 80%
Hope this helps!
20 %
if the length is 8ft and the width is (7+x) then the area would be 56+8x, if x is unknown.
C
13
See attachment
