Answer:
1386
Step-by-step explanation:
If you have trouble with that, you can multiply 66 by 20, then 66*1, and add them (break apart the 21.)
♡ Good Lessons ♡
604,800
10*9*8*7*6*5*4
20%
12/15 = .8
subtract from 1
gives you .2
convert to a percentage
.2 = 20%
