Answer: 28
Step-by-step explanation:
Given
Blake collected a total of 175 stamps
If 84% is the foreign stamp, then the remaining 16 % are other stamps
Other stamps collected is given by
[tex]\Rightarrow 175\times 16\%\\\Rightarrow 175\times 0.16\\\Rightarrow 28\ \text{other stamps}[/tex]