Solve the Problem $4 \%$ Salt How Much Salt Is In Contains

Multiple Choice

Solve the problem.
-A chemical solution contains $4 \%$ salt. How much salt is in $1 \mathrm{~mL}$ of solution?

A) $0.4 \mathrm{~mL}$
B) $2.5 \mathrm{~mL}$
C) $0.04 \mathrm{~mL}$
D) $25 \mathrm{~mL}$