Answer:

Step-by-step explanation:
Answer:
X ≤ 50
Step-by-step explanation:
Since the additional fee for a piece of luggage is only charged if it weighs more than 50 lbs, than Michael's suitcase weight must be less than, or equal to, 50 lbs. Using 'X' as the weight of Michael's suitcase in pounds:
X ≤ 50
'X' is less than or equal to 50 lbs
Answer:
See below
Step-by-step explanation:
Regularly, 1.25
Now,0.5
So,

So, the percentage of decrease price is 60%.
Step-by-step explanation:
(1+3x-1)×{1-(3x-1)}
=3x.(1-3x+1)
=3x.3x
=9x^2.
Answer:
The numbers of ways to permute letters of the word Illinois if the two Ls must be consecutive is 7.