<PRE><B>Question 224794</B>
24s = 144
s = 144/24 = 6


(10m)(21) = 1890
210m = 1890
m = 1890/210 = 9


36 = (3k)(4)
36 = 12k
k = 36/12 = 3


5x = 225/15
5x = 15
x = 15/5 = 3


3p = 300
p = 300/3 = 100


42n = 48
n = 48/42 = 8/7


(4^2)n = 48
16n = 48
n = 48/16 = 3</PRE>