The first letter can be any one of the 26 letters in the alphabet. For each one . . .
The second letter can be any one of the 25 remaining ones. For each one . . .
The third letter can be any one of the 24 remaining ones. For each one . . .
The fourth letter can be any one of the 23 remaining ones.
Total possible 4-letter codes = (26 x 25 x 24 x 23) = <em>358,800 </em>
Wow OK so the first number I came to was 72 so that's
bagels 6x12=72
apples 8x9=72
cookies 12x6=72
juice boxes 9x8=72
72/4=18 so she could make their lunch for 18 days
distance = rate * time
rate = distance / time
rate = .75 miles / .666666 hours
rate = 1.125 miles per hours (.125 = (1/8) ) so
rate = 1 plus 1/8 miles per hour. answer is B
Y = 30 - 2(2)
y= 30 - 4
y = 26
