If 40 percent of r is equal to s then which of the following is equal to 10 percent of r? Would appreciate an explanation as well.

A. 4s
B. 2s
C. s/2
D. s/4
E. s/8

2 answers

40% of r=s
40r/100=s
10r/100=s/4
10% of r=s/4
s/4