Igloos unlimited charges $150 per night with a 50% discount for every night after the third night .if you stay for days how much will you pay?

150x,       (x<=3)

225+75x,   (x>3)

*x is the number of nights stayed.

Step-by-step explanation:

-Let the number of days stayed be x.

#If the number of days is equal to or less than 3 days, the cost is:

Hence, the cost for x>3 is given by 150x

#If the number of days is greater than 3, the the cost is calculated as:

We sum the two costs for x>3

Hence, the cost for x>3 is given by 225+75x

20days louise can read300 pg

step-by-step explanation:

1 day 15 pg 300: 15= 20

x day 300 pg

10 - 8 = -2

  8 - 6 = -2

etc, so -2 is the common difference

step-by-step explanation: