Stoichiometry Problem I did the problem, but got an answer and i just wanna make sure it’s right as my answer seems a bit weird. Do i won’t say the answer to know if you did it too. Need Help asap

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane