This is a geometric sequence where each number is being multiplied by -2
20! / 16! =
20*19*18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1
divided by
16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1
equals C. 116,280
20x=53-13
20x=40
20x/20=40/20
x=2
Answer:
60 - 25 = 35
35 / 7 = 5
Lawrence drives 5 miles each day commuting to and from work.
