You plug in $67 for y because you need to find out what week you'll have $67 dollars in the account.
Answer:
89
Step-by-step explanation:
There are only 30 pages but last page number is 89.
To reach the second floor you would look at all ways to enter to building(8) and multiply it by the number of ways to reach the second floor (12).
8 x 12 = 96 possibilities
Think of it in groups.
1st door and 12 possible sets of steps
2nd door and 12 possible sets of steps
3rd door and 12 possible sets of steps
4th door and 12 possible sets of steps
5th door and ..., etc.....
Answer:
1184000
Step-by-step explanation:
lcm(2960,6400,2000)
prime factor:

Take the largest power of each factor:
